Search GB/T

500 GB/T standards in English, from GB/T 30896-2014 to GB/T 31323-2014, in code order.

  1. GB/T 30896-2014Ferrovanadium nitride$505.00
  2. GB/T 30897-2025Steel slag for sintering$85.00
  3. GB/T 30898-2025Scrap steel from slag for steelmaking$120.00
  4. GB/T 30899-2014Selected luppen for smelt$145.00
  5. GB/T 30900-2025Slag agglomerate of LF refining furnace for steelmaking$85.00
  6. GB/T 30901-2025High purity ammonium fluoride solution$255.00
  7. GB/T 30902-2014Inorganic chemicals for industrial use - Determination of impurity elements - Inductively coupled plasma optical emission spectrometry (ICP-OES)$205.00
  8. GB/T 30903-2026Inorganic chemicals for industrial use - Determination of impurity elements - Inductively coupled plasma mass spectrometry$255.00
  9. GB/T 30904-2014Inorganic chemicals for industrial use—Crystal form analysis—X-ray diffraction method$205.00
  10. GB/T 30905-2014Inorganic chemicals for industrial use—Determination of element contents—X-ray fluorescence analysis$145.00
  11. GB/T 30906-2014Determination of sodium tripolyphosphate content of sodium tripolyphosphate—Ion chromatography$85.00
  12. GB/T 30907-2025Rubber shoes — Test method for shock attenuating properties of athletic shoes$195.00
  13. GB/T 30908-2014Photography -- Processing wastes -- Determination of boron$145.00
  14. GB/T 30909-2014Rubber shoes - Determination of migration of acrylonitrile$85.00
  15. GB/T 30910-2014Rubber shoes - Determination of migration of 2-Mercaptobenzothiazole and 2,2'-Dithiobis(benzothiazole)$145.00
  16. GB/T 30911-2014The performance test procedures of Rack-and pinion hydraulic power steering lips seals$355.00
  17. GB/T 30912-2014Rubber seals for automobile hydraulic disc brake cylinders$205.00
  18. GB/T 30913-2014Standard test method for classification of film systems for industrial radiography$145.00
  19. GB/T 30914-2014Styrene-isoprene-butadiene rubber (SIBR) - Determination of the microstructure$145.00
  20. GB/T 30915-2014A-hydroxy polyether polyols$125.00
  21. GB/T 30916-2014Blend polyol for rigid polyurethane foam used in spraying$145.00
  22. GB/T 30917-2014Determination of nitrosamines migrating from natural rubber latex condoms$145.00
  23. GB/T 30918-2022Non-oil-extended solution polymerized isoprene rubber (IR) - Evaluation procedures$240.00
  24. GB/T 30919-2014Styrene-butadiene rubber, raw - Determination of N-nitrosamines content by gas chromatography - Thermo energy analyzer method$145.00
  25. GB/T 30920-2026Chlorosulfonated polyethylene (CSM) rubber$240.00
  26. GB/T 30921.1-2014Test method of purified terephthalic acid (PTA) for industrial use - Part 1: Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL)$195.00
  27. GB/T 30921.2-2016Test method of purified terephthalic acid (PTA) for industrial use—Part 2: Determination of metal content$195.00
  28. GB/T 30921.3-2016Test method of purified terephthalic acid (PTA) for industrial use - Part 3: Determination of water content$85.00
  29. GB/T 30921.4-2016Test method of purified terephthalic acid (PTA) for industrial use—Part 4: Determination of titanium content—Diantipyrylmethane photometric method$85.00
  30. GB/T 30921.5-2025Test methods for purified terephthalic acid (PTA) for industrial use - Part 5: Determination of acid number$150.00
  31. GB/T 30921.6-2025Test methods for purified terephthalic acid (PTA) for industrial use - Part 6: Determination of particle size distribution$210.00
  32. GB/T 30921.7-2016Test method of purified terephthalic acid(PTA) for industrial use—Part 7: Determination of b* value—Color difference meter$85.00
  33. GB/T 30922-2014Isobutene-isoprene rubber$125.00
  34. GB/T 30923-2022Plastics—Polypropylene (PP) materials for meltblown$225.00
  35. GB/T 30924.1-2025Plastics - Ethylene-vinyl acetate(EVAC) moulding and extrusion materials - Part 1: Designation system and basis for specifications$210.00
  36. GB/T 30924.2-2014Plastics -- Ethylene-vinyl acetate (EVAC) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties$165.00
  37. GB/T 30925-2014Plastics -- Ethylene-vinyl acetate copolymer (EVAC) thermoplastics -- Determination of vinyl acetate content$235.00
  38. GB/T 30926-2014Determination of 7 kinds of vitamin C derivatives in Cosmetics - - High performance liquid chromatography-tandem Mass spectrometry$205.00
  39. GB/T 30927-2014Determination of 4 prohibited coloring agents including rhodamine B in cosmetics - High performance liquid chromatography$145.00
  40. GB/T 30928-2014Exfoliating gel$105.00
  41. GB/T 30929-2014Determination of banned 2,4,6-trichlorophenol,pentachlorophenol and bithionol in cosmetics—High performance liquid chromatography$145.00
  42. GB/T 30930-2014Determination of 9 banned Aromatic amines in cosmetics - High performance liquid chromatography-tandem Mass spectrometry$145.00
  43. GB/T 30931-2014Determination of Benzalkonium Chloride in cosmetics—High performance liquid chromatography$165.00
  44. GB/T 30932-2014Determination of dioxane residue in cosmetics - Headspace gas chromatography-mass spectrometry$145.00
  45. GB/T 30933-2014Determination of Diethylamino hydroxybenzoyl hexyl benzoate as Sunscreen agent in Cosmetics - High performance liquid chromatography$125.00
  46. GB/T 30934-2014Determination of dehydroacetic acid and its salts in cosmetics—High performance liquid chromatography$125.00
  47. GB/T 30935-2014Determination of 8 furocoumarines including 8-methoxypsoralen in cosmetics - High performance liquid chromatography$225.00
  48. GB/T 30936-2014Determination of chlorpropamide,Tolbutamide and Carbutamide 3 banned sulfonylureas in cosmetics$225.00
  49. GB/T 30937-2014Determination of banned metronidazole in cosmetics - High performance liquid chromatography-tandem mass spectrometry$145.00
  50. GB/T 30938-2014Determination of canthaxanthin in cosmetics - High performance liquid chromatography$145.00
  51. GB/T 30939-2014Determination of the contaminant bisphenol A in cosmetics—High performance liquid chromatograpy-tandem Mass spectrometry$145.00
  52. GB/T 30940-2014Determination of tretinoin and isotretinoin in cosmetics - High performance liquid chromatography$145.00
  53. GB/T 30941-2014Shave cream, Shave gel$85.00
  54. GB/T 30942-2014Determination of 2-methoxyethanol, 2-ethoxyethanol and 2-(2-methoxyethoxy) ethanol in cosmetics - Gas chromatography$145.00
  55. GB/T 30943-2014Terms for water resources$890.00
  56. GB/T 30944-2014Guide for energy losses calculation of small hydropower grid$265.00
  57. GB/T 30945-2014Determination of tylosin in feeds - High performance liquid chromatography$85.00
  58. GB/T 30946-2014Ornamental fish grading rules—Blood parrot cichild$55.00
  59. GB/T 30947-2024Canned chilled crab meat$180.00
  60. GB/T 30948-2021Code of practice for technical management of pumping station$950.00
  61. GB/T 30949-2025Specification for the post-evaluation of water saving irrigation projects$210.00
  62. GB/T 30950-2014Gate opening meter$205.00
  63. GB/T 30951-2014Scrap condition about electrical and mechanical equipment of small-scale hydropower station$195.00
  64. GB/T 30952-2014Calibration method of water level gauge test equipment$225.00
  65. GB/T 30953-2014Patrol gauging equipment for hydrometry$145.00
  66. GB/T 30954-2014Automatic system for hydrological data measuring and forecasting—General equipment$205.00
  67. GB/T 30955-2014Determination of aflatoxin B1, B2, G1, G2 content in feeds - High performance liquid chromatography with immunoaffinity column clean-up$85.00
  68. GB/T 30956-2014Determination of deoxynivalenol in feeds - High performance liquid chromatography with immunoaffinity column clean-up$85.00
  69. GB/T 30957-2014Determination of ochratoxin A in feeds - High performance liquid chromatography with immunoaffinity column clean-up$85.00
  70. GB/T 30958-2023Livestock and poultry slaughtering and processing equipment - Technical conditions for complete sets of pig slaughtering equipment$480.00
  71. GB/T 30959-2014Hexi cashmere goat$125.00
  72. GB/T 30960-2014Tibetan sheep$205.00
  73. GB/T 30961-2014Embedded software quality metric$1,280.00
  74. GB/T 30962-2014Identification cards—Integrated circuit cards—High capacity cards$860.00
  75. GB/T 30963-2014Specification for green package of telecommunication terminal equipment$165.00
  76. GB/T 30964-2014Earth-moving machinery -- Recyclability and recoverability -- Terminology and calculation method$145.00
  77. GB/T 30965-2014Earth-moving machinery -- Determination of average ground contact pressure for crawler machines$95.00
  78. GB/T 30966.1-2022Wind energy generation systems - Communications for monitoring and control of wind power plants - Part 1: Overall description of principles and models$420.00
  79. GB/T 30966.2-2022Wind energy generation systems - Communications for monitoring and control of wind power plants - Part 2: Information models$1,355.00
  80. GB/T 30966.3-2022Wind energy generation systems - Communications for monitoring and control of wind power plants - Part 3: Information exchange models$480.00
  81. GB/T 30966.5-2022Wind energy generation systems - Communications for monitoring and control of wind power plants - Part 5: Compliance testing$530.00
  82. GB/T 30966.6-2022Wind energy generation systems - Communications for monitoring and control of wind power plants - Part 6: Logical node classes and data classes for condition monitoring$530.00
  83. GB/T 30967-2014Practice for fiber reinforcement orientation codes for composite materials$85.00
  84. GB/T 30968.1-2014Test method for open-hole/loaded-hole of polymer matrix composite laminates—Part 1: Test method of bearing response$240.00
  85. GB/T 30968.2-2014Test method for open-hole/loaded-hole of polymer matrix composite laminates—Part 2: Test method of filled-hole tension and compression$135.00
  86. GB/T 30968.3-2014Test method for open-hole/loaded-hole of polymer matrix composite laminates—Part 3: Test method of open-hole tensile strength strength$135.00
  87. GB/T 30968.4-2014Test method for open-hole/loaded-hole of polymer matrix composite laminates—Part 4: Test method of open-hole compressive strength$135.00
  88. GB/T 30969-2014Test method for short-beam shear strength of polymer matrix composite materials$120.00
  89. GB/T 30970-2014Test method for the shear properties of polymer matrix composite materials by V-notched beam method$135.00
  90. GB/T 30971-2014Software engineering -- Recommended practice for the internet -- Web site engineering, web site management, and web site life cycle$590.00
  91. GB/T 30972-2014Systems and software engineering -- Software engineering environment services$710.00
  92. GB/T 30973-2014Information technology -- Representation for human communication of state transition of software$205.00
  93. GB/T 30974.1-2014Guide for identification and recording of fiber-reinforced composite materials in databases—Part 1: Guide of recording mechanical test data$415.00
  94. GB/T 30974.2-2014Guide for identification and recording of fiber-reinforced composite materials in databases—Part 2: Guide of identification$295.00
  95. GB/T 30975-2014Information technology -- Measurement and rating of performance of computer-based software systems$570.00
  96. GB/T 30976.1-2014Industrial control system security—Part 1: Assessment specification$535.00
  97. GB/T 30976.2-2014Industrial control system security—Part 2: Acceptance specification$295.00
  98. GB/T 30977-2014Hollow guide rails for the counterweight and balancing weight of lifts$145.00
  99. GB/T 30983-2014Test method for optical properties of photovoltaic glass$155.00
  100. GB/T 30984.1-2015Solar glass - Part 1: Ultra-clear patterned glass$125.00
  101. GB/T 30984.2-2014Solar glass—Part 2: Transparent conductive oxide coated glass$135.00
  102. GB/T 30984.3-2016Solar glass—Part 3: Reflective glass mirror$125.00
  103. GB/T 30985-2014Quartz glass handle for optical fiber manufacture$125.00
  104. GB/T 30986-2014Method for the determination of glucose, sucrose, maltose contents in biochemical products - Liquid chromatography with refractiveindex detector$125.00
  105. GB/T 30987-2020Determination of free amino acids in plant$325.00
  106. GB/T 30988-2014Methods of genomic DNA extraction from plants with high levels of polyphenols$125.00
  107. GB/T 30989-2014Technical regulation of high-throughput gene sequencing$235.00
  108. GB/T 30990-2014Determination of the activity of lysozyme$85.00
  109. GB/T 30991-2014General specification for intelligent oxygen bomb calorimeter$115.00
  110. GB/T 30994-2014Testing specification for relational database management system$455.00
  111. GB/T 30995.1-2014Information technology -- Home electronic system -- Guidelines for product interoperability -- Part 1: Introduction$205.00
  112. GB/T 30996.1-2014Information technology -- Real-time locating systems -- Part 1: Application program interface$415.00
  113. GB/T 30996.2-2017Information technology—Real-time locating systems—Part 2: 2.45GHz air interface protocol$385.00
  114. GB/T 30996.3-2018Information technology—Real-time locating systems—Part 3: 433MHz air interface protocol$205.00
  115. GB/T 30997-2014Programming languages-C -- Extensions to support embedded processors$950.00
  116. GB/T 30998-2014Information technology—Software safety assurance specification$355.00
  117. GB/T 30999-2014Systems and software engineering -- Lifecycle management -- Guidelines for process description$235.00
  118. GB/T 31000-2015Data standard for comprehensive treatment of public security$650.00
  119. GB/T 31001-2014Test materials to be used in subjective assessment for high definition television$395.00
  120. GB/T 31002.1-2014Ergonomics -- Manual handling -- Part 1: Lifting and carrying (ISO 11228-1: 2003, MOD)$355.00
  121. GB/T 31003-2014Numbering and symbol marking for logistic unit of chemical fiber materials$145.00
  122. GB/T 31004.1-2014Acoustics -- Measurement of sound insulation in buildings and of building elements using sound intensity -- Part 1: Laboratory measurements$105.00
  123. GB/T 31004.2-2014Acoustics -- Measurement of sound insulation in buildings and of building elements using sound intensity -- Part 2: Field measurements$205.00
  124. GB/T 31004.3-2014Acoustics -- Measurement of sound insulation in buildings and of building elements using sound intensity -- Part 3: Laboratory measurements at low frequencies$235.00
  125. GB/T 31005-2014Numbering and symbol marking of pallets$205.00
  126. GB/T 31006-2014General specification of bar code for automatic sorting packing boxes$235.00
  127. GB/T 31007.1-2014Coding of textile fabrics—Part 1:Cotton fabric$535.00
  128. GB/T 31007.2-2014Coding of textile fabrics—Part 2:Bast fiber fabric$535.00
  129. GB/T 31007.4-2014Coding of textile fabrics—Part 4:Woll fabric$535.00
  130. GB/T 31009-2020Foot protection--Critical substance requirements and test methods for footwear$345.00
  131. GB/T 31010-2014Laboratory spectral calibration for dispersive hyperspectral sensors$145.00
  132. GB/T 31011-2014Remote sensing satellite raw data record and interchange format$235.00
  133. GB/T 31012-2014Graphical symbols for use on equipment for environmental sanitation vehicles$530.00
  134. GB/T 31013-2014Acoustics -- Acoustic insulation for pipes, valves and flanges$475.00
  135. GB/T 31014-2014Acoustics—Laboratory methods of underwater target strength measurement$235.00
  136. GB/T 31015-2024Public information guidance systems - Design and setting principles and requirements for the consideration of accessible needs$255.00
  137. GB/T 31016-2021General technical specification for mobile laboratory of sample collection and treatment$185.00
  138. GB/T 31017-2014Mobile laboratory—terminology$355.00
  139. GB/T 31018-2014Mobile laboratory—Modular design guide$295.00
  140. GB/T 31019-2014Mobile laboratory—Guidance on ergonomic principles$145.00
  141. GB/T 31019-2026Mobile laboratory - Guidance on ergonomic principles$255.00
  142. GB/T 31020-2014Mobile characteristic of mobile laboratories$205.00
  143. GB/T 31021.2-2014Test specification for electronic records system—Part2: Verdict criteria test for electronic records archived management system$530.00
  144. GB/T 31022-2014General technique specification for two-dimensional barcode business card$295.00
  145. GB/T 31023-2014Mobile laboratory—General specification for equipment operating condition test$205.00
  146. GB/T 31024.1-2014Cooperative intelligent transportation systems—Dedicated short range communications—Part 1: General technical requirement$125.00
  147. GB/T 31024.2-2014Cooperation of roadside to vehicle—Dedicated short range communications—Part 2: Specification of medium access control layer and physical layer$650.00
  148. GB/T 31024.3-2019Cooperative intelligent transportation systems—Dedicated short range communications—Part 3:Network layer and application layer specification$580.00
  149. GB/T 31024.4-2019Cooperative intelligent transportation systems—Dedicated short range communications—Part 4: Equipment application specification$145.00
  150. GB/T 31025-2014Cleaning fluid for motor vehicle engine surface$125.00
  151. GB/T 31026-2014Cleaning fluid for motor vehicle engine lubrication system$125.00
  152. GB/T 31027-2014Cleaner for automotive engine cooling system$125.00
  153. GB/T 31028-2014Disabled/incapacitated passenger boarding vehicles$444.00
  154. GB/T 31029-2014Aircraft garbage truck$235.00
  155. GB/T 31030-2014Airport passenger bus$175.00
  156. GB/T 31031-2014Airport snow remover$145.00
  157. GB/T 31032-2023Welding and acceptance standard for steel pipings and pipelines$1,475.00
  158. GB/T 31033-2025Technical requirements for well control technology of oil and gas drilling$485.00
  159. GB/T 31034-2024Insulating back sheet for crystalline silicon photovoltaic (PV) modules$300.00
  160. GB/T 31035-2014Test methods for proton exchange membrane fuel cell stack at subzero environment$265.00
  161. GB/T 31036-2014Proton exchange membrane fuel cell backup power system - Safety$295.00
  162. GB/T 31036-2025Proton exchange membrane fuel cell backup power systems - Safety$495.00
  163. GB/T 31037.1-2014Fuel cell power system used for industrial lift truck applications - Part 1: Safety$125.00
  164. GB/T 31037.2-2014Fuel cell power system used for industrial lift truck applications - Part 2: Technical specification$125.00
  165. GB/T 31038-2014General technical condition for high voltage diesel-generating sets$295.00
  166. GB/T 31040-2025Test methods of residual formaldehyde from the concrete admixtures$195.00
  167. GB/T 31044-2014Brand valuation - Banking and insurance industry$265.00
  168. GB/T 31045-2025Brand valuation - Agricultural products$165.00
  169. GB/T 31046-2014Brand valuation - Transportation industry$265.00
  170. GB/T 31048-2026Copper cooling staves$255.00
  171. GB/T 31049-2022Petroleum drilling and production equipment—Top drive system$435.00
  172. GB/T 31050-2014Energy efficiency test methods for metallurgy cranes$235.00
  173. GB/T 31051-2025Cranes - Anchoring devices for in-service and out-of-service conditions$115.00
  174. GB/T 31051.1-2014Cranes - Anchoring devices for in-service and out-of-service conditions$85.00
  175. GB/T 31051.4-2016Cranes -- Anchoring devices for in-service and out-of-service conditions -- Part 4: Jib cranes$75.00
  176. GB/T 31052.1-2014Lifting appliances—Code of inspection and maintenance—Part 1: General$205.00
  177. GB/T 31052.10-2016Lifting appliances - Code of inspection and maintenance - Part 10: Series lifting equipments$295.00
  178. GB/T 31052.11-2015Lifting appliances—Code of inspection and maintenance—Part 11: Mechanical parking systems$235.00
  179. GB/T 31052.12-2017Lifting appliances—Code of inspection and maintenance—Part 12: Floating cranes$295.00
  180. GB/T 31052.2-2016Lifting appliances—Code of inspection and maintenance—Part 2: Mobile cranes$295.00
  181. GB/T 31052.3-2016Lifting appliances—Code of inspection and maintenance—Part 3: Tower cranes$235.00
  182. GB/T 31052.4-2017Lifting appliances—Code of inspection and maintenance—Part 4: Jib cranes$295.00
  183. GB/T 31052.5-2015Lifting appliances—Code of inspection and maintenance—Part 5: Bridge and gantry cranes$295.00
  184. GB/T 31052.6-2016Lifting appliances—Code of inspection and maintenance—Part 6: Cable cranes$235.00
  185. GB/T 31052.7-2016Lifting appliances—Code of inspection and maintenance—Part 7: Derrick cranes$235.00
  186. GB/T 31052.8-2016Lifting appliances—Code of inspection and maintenance—Part 8: Railway cranes$295.00
  187. GB/T 31052.9-2016Lifting appliances—Code of inspection and maintenance—Part 9: Lifters$650.00
  188. GB/T 31053-2014Technology requirements for three-dimensional modeling of reverse engineering for mechanical products$205.00
  189. GB/T 31054-2014Computer aided engineering for mechanical products—Finite element numerical calculation—Terminology$295.00
  190. GB/T 31055-2014Paddy separating plate$145.00
  191. GB/T 31056-2014Stone—Removed plate$125.00
  192. GB/T 31057.1-2014Granular materials - The physical properties - Part 1: Determination of apparent density$205.00
  193. GB/T 31057.2-2018Granular materials—Physical properties—Part 2: Determination of tap density$205.00
  194. GB/T 31057.3-2018Granular materials—Physical properties—Part 3: Fluidity index$235.00
  195. GB/T 31058-2026Electronic gas - Silicon tetrafluoride$255.00
  196. GB/T 31059-2014Decorative cake$205.00
  197. GB/T 31060-2014Water treatment chemicals - Aluminum sulfate$470.00
  198. GB/T 31061-2014Cork-rubber gasket for shield-driven tunnel$145.00
  199. GB/T 31062-2014Polymeric polyols$135.00
  200. GB/T 31063-2014Extractables in aqueous autoclavates for pharmaceutical closures of butyl rubber$235.00
  201. GB/T 31064-2014Rubber-or plastics-coated fabrics—Determination of puncture resistance$85.00
  202. GB/T 31065-2014Fire-resistant hose and hose assemblies for drilling platform tensioner$145.00
  203. GB/T 31066-2026Electro-technical terminology - Control system for hydraulic turbines$830.00
  204. GB/T 31067-2014Technical code for protection of bridge against lightning$535.00
  205. GB/T 31068-2014Requirements for security systems in regular higher education institutions$145.00
  206. GB/T 31069-2015Plumbing fittings - Copper pipe fittings$475.00
  207. GB/T 31070.1-2014Building intercom systems - Part 1: General technical requirements$125.00
  208. GB/T 31070.2-2018Building intercom systems—Part 2: Technical requirements for digital building intercom systems$205.00
  209. GB/T 31070.3-2021Building intercom systems—Part 3: Technical requirements for specific applications$455.00
  210. GB/T 31070.4-2018Building intercom systems—Part 4: Application guidelines$185.00
  211. GB/T 31071-2014General science and technology infrastructure—Principles and methods for conformance testing$105.00
  212. GB/T 31072-2014General science and technology infrastructure—Unique identity authentication$205.00
  213. GB/T 31073-2014General science and technology infrastructure—Core metadata of service$205.00
  214. GB/T 31074-2014General science and technology infrastructure—Data elements design and management$235.00
  215. GB/T 31075-2014General science and technology infrastructure—General terminology$295.00
  216. GB/T 31076.1-2014Professional standards for Pre-modern Chinese books and special collections—Part 1: Pre-1912 Chinese books$145.00
  217. GB/T 31077-2014Technical requirement of reservoir earthquake monitoring$295.00
  218. GB/T 31078-2024Specification for low temperature warehousing operations$255.00
  219. GB/T 31079-2014Guideline of earthquake emergency for community$205.00
  220. GB/T 31080-2025Specification for cold chain logistics service of aquatic products$135.00
  221. GB/T 31081-2014Plastic box pallets$235.00
  222. GB/T 31082-2025Specification for exhibition data auditing$360.00
  223. GB/T 31083-2014Technical requirements of tie-down used in passenger car for road transportation$205.00
  224. GB/T 31084-2014Norm of transport documents transfer for international freight forwarders$145.00
  225. GB/T 31085-2014Norms of issuing documents for international freight forwarders$145.00
  226. GB/T 31086-2025Requirements and evaluation indicators for cold chain service capabilities of logistics enterprises$240.00
  227. GB/T 31087-2014General technical requirements for impurities control of commercial coal$75.00
  228. GB/T 31088-2014General guideline of circular economy management for industrial parks$145.00
  229. GB/T 31089-2014Computation and requirement of recovery ratio of coal mine$125.00
  230. GB/T 31090-2014Diesel component from direct coal liquefaction$85.00
  231. GB/T 31091-2014General technical requirements for management of coal yard$89.00
  232. GB/T 31092-2022Monocrystalline sapphire bar$120.00
  233. GB/T 31093-2014Test method for stress of monocrystalline sapphire ingot$85.00
  234. GB/T 31095-2014Lifts subject to seismic conditions$415.00
  235. GB/T 31096-2014Specifications of coal combustion-aid additives$89.00
  236. GB/T 31097-2014Performance evaluation of coal combustion-aid additives for coal$145.00
  237. GB/T 31098-2014Evaluation on the effect of sulfur fixation during coal combustion$115.00
  238. GB/T 31099-2014Specifications of sulfur fixation agent during coal combustion$70.00
  239. GB/T 31100.201-2014Information technology -- Home electronic system (HES) architecture -- Part 2-1: Introduction and device modularity$295.00
  240. GB/T 31101-2023Information technology—Test method of real-time locating system performance$225.00
  241. GB/T 31102-2025System and software engineering - Software engineering body of knowledge$1,805.00
  242. GB/T 31104-2024Steel dryers used in paper machinery$420.00
  243. GB/T 31105-2014Biaxially oriented polypropylene both sides coated film with diversified coating materials$145.00
  244. GB/T 31106-2014Determination of volatile organic compounds in furniture$105.00
  245. GB/T 31107-2014Environmental chamber for the determination of volatile organic compounds of furniture—General technical requirements$145.00
  246. GB/T 31108-2014Classification and codes of jewelry inlay information$125.00
  247. GB/T 31109-2014Method of evaluation for the acoustic quality of musical instruments$205.00
  248. GB/T 31110-2014Paper and board -- Determination of z-directional tensile strength$125.00
  249. GB/T 31111-2014Classification of self-ballasted LED reflector lamps$80.00
  250. GB/T 31112-2014Classification of non-directional self-ballasted LED lamps for general lighting services$80.00
  251. GB/T 31113-2014Measurement of the resistance to flow for adhesive$295.00
  252. GB/T 31115-2014Application guidelines of HACCP system in bean products$415.00
  253. GB/T 31116-2025General quality requirements for canned porridge$175.00
  254. GB/T 31118-2014Principle and requirement for assessment of land ecological services$295.00
  255. GB/T 31119-2014Frozen drinks—Ice milk$125.00
  256. GB/T 31120-2014Candy terminology$205.00
  257. GB/T 31121-2014Fruit & Vegetable juices and fruit & vegetable beverage(nectars)$235.00
  258. GB/T 31122-2014Liquid packaging base card board$125.00
  259. GB/T 31122-2026Paperboard for food packaging$255.00
  260. GB/T 31123-2014Paperboard for solid food packaging$125.00
  261. GB/T 31124-2014Poly(Propylene Carbonate)(PPC)$205.00
  262. GB/T 31125-2014Test method of adhesive tapes—Loop tack$135.00
  263. GB/T 31126-2014Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 1: Liquid chromatography-tandem mass spectrometry method$205.00
  264. GB/T 31126.1-2025Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 1: Liquid chromatography-tandem mass spectrometry method$255.00
  265. GB/T 31126.2-2024Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 2: Gas chromatography-mass spectrometry method$175.00
  266. GB/T 31126.3-2026Textiles — Determination of perfluorinated and polyfluorinated compounds — Part 3: Combustion-ion chromatography method$195.00
  267. GB/T 31127-2014Textiles - Tests for colour fastness - Colour fastness to transfer in joints$35.00
  268. GB/T 31128-2025Testing and evaluation of the resistance to pile loop extraction for towel products$195.00
  269. GB/T 31129-2014Manufacturing information standard architecture$620.00
  270. GB/T 31130-2014Coriolis mass flow meter$235.00
  271. GB/T 31131-2014Evaluation system for manufacturing informatization$355.00
  272. GB/T 31132-2014Intrusion alarm systems -- Technical requirements for interconnection of equipment using radio frequency$355.00
  273. GB/T 31133-2014Specification for hydraulic lifting equipment in power construction$295.00
  274. GB/T 31134-2014Fiber reinforced epoxy powder moulding compounds (EP-PMC) for electrical purposes$235.00
  275. GB/T 31135-2014Fiber reinforced unsaturated polyester powder moulding compounds (UP-PMC) for electrical purposes$205.00
  276. GB/T 31136-2014Temperature control cabinet for industrial resistance furnace$295.00
  277. GB/T 31137-2014Temperature controller for laboratory resistance furnaces$235.00
  278. GB/T 31138-2014Compressed hydrogen dispenser for vehicles$75.00
  279. GB/T 31138-2022Hydrogen dispensers$360.00
  280. GB/T 31139-2014Safety technical regulations for mobile hydrogen refueling facility$95.00
  281. GB/T 31140-2014Environment specifications of wind-power generation equipments for plateau$205.00
  282. GB/T 31141-2014Test method of bistable solenoid valve for household and similar use$150.00
  283. GB/T 31142-2014Directives for selection and application of transfer switching equipment$125.00
  284. GB/T 31143-2025General requirements for arc fault detection and protection devices (AFDD)$2,135.00
  285. GB/T 31147-2014Assessment of the level of nursing dependency for the personal injury$235.00
  286. GB/T 31148-2022Wooden flat pallet—General technical requirement$135.00
  287. GB/T 31149-2014Automotive logistics service evaluation index$205.00
  288. GB/T 31150-2025Automotive parts logistics - Size series and technical requirements for plastic returnable containers$210.00
  289. GB/T 31151-2014Finished vehicle logistics damage risk supervision requirements$235.00
  290. GB/T 31152-2014Automotive logistics terms$355.00
  291. GB/T 31153-2014Climatic evaluation methods of precipitation resource in the catchment area of small hydropower stations$205.00
  292. GB/T 31154-2014H-alpha solar flare classification$85.00
  293. GB/T 31155-2014Classification of solar energy resources - Global radiation$145.00
  294. GB/T 31156-2014Solar energy resources measurement - Global radiation$205.00
  295. GB/T 31157-2014Classification for the intensity of solar soft X-ray flares$235.00
  296. GB/T 31158-2014Ionospheric total electron content (TEC) disturbance classification$85.00
  297. GB/T 31159-2014Terminology of atmospheric aerosol observation$235.00
  298. GB/T 31160-2014Geomagnetic storm intensity level$85.00
  299. GB/T 31161-2014Classification for solar proton event intensity$75.00
  300. GB/T 31162-2014Technical specification for lightning protection of surface meteorological observing site and duty office$235.00
  301. GB/T 31163-2014Terminology of solar energy resources$355.00
  302. GB/T 31164-2014Weather warning of forest fire-danger$85.00
  303. GB/T 31165-2014Digitalization of precipitation records on paper$205.00
  304. GB/T 31166-2014Security protection requirements for golf$85.00
  305. GB/T 31167-2014Information security technology -- Security guide of cloud computing services$125.00
  306. GB/T 31167-2023Information security technology—Security guidance for cloud computing services$420.00
  307. GB/T 31168-2014Information security technology -- Security capability requirements of cloud computing services$120.00
  308. GB/T 31168-2023Information security technology—Security capability requirements for cloud computing services$1,025.00
  309. GB/T 31169-2014Requirements for use of skiing equipment$295.00
  310. GB/T 31170-2014Care and maintenance for ski equipment$205.00
  311. GB/T 31171-2014Classification and requirements for urban public leisure space$145.00
  312. GB/T 31172-2014Guidelines for integration of urban and rural leisure service$85.00
  313. GB/T 31173-2014Guide for national leisure education$85.00
  314. GB/T 31174-2014Investigation and evaluation of leisure satisfaction$145.00
  315. GB/T 31175-2014Basic terminology of leisure$205.00
  316. GB/T 31176-2014Specification for leisure consulting service$75.00
  317. GB/T 31178-2014Comprehensive evaluation of children and adolescents development$205.00
  318. GB/T 31179-2014General guidelines for safety and health of children$145.00
  319. GB/T 31180-2014Methods for injury surveillance among children and adolescents$145.00
  320. GB/T 31181-2014Prosthetics Testing of ankle-foot devices and foot units -- Requirements and test methods$860.00
  321. GB/T 31182-2014General technical conditions for cremation coffin$145.00
  322. GB/T 31183-2014Technical requirements of manufacturing consulting service for high pressure hydrogen equipment of oil-refinery$295.00
  323. GB/T 31184-2014Technical requirements of manufacturing consulting service for centrifugal compressors$235.00
  324. GB/T 31185-2014Technical requirements of tubular goods manufacturing consulting service for oil and gas pipeline project$205.00
  325. GB/T 31186.1-2014Specification of description for basic information of bank's customer—Part 1: Model of description$415.00
  326. GB/T 31186.2-2014Specification of description for basic information of bank's customer—Part 2: Name$205.00
  327. GB/T 31186.3-2014Specification of description for basic information of bank's customer—Part 3: Discriminating ID$295.00
  328. GB/T 31186.4-2014Specification of description for basic information of bank's customer—Part 4: Address$205.00
  329. GB/T 31186.5-2014Specification of description for basic information of bank's customer—Part 5: Telephone number$205.00
  330. GB/T 31188-2014Technical specifications for treatent chemical cleaning waste liquid$125.00
  331. GB/T 31189-2014Technical regulation for metal phosphorus from waste water recovery$145.00
  332. GB/T 31190-2014Technical specifications for collecting laboratory chemical waste$205.00
  333. GB/T 31191-2014Test method of manganese deoxidizer deoxy performance at room temperature$135.00
  334. GB/T 31192-2014Test method of arsenic content for copper series arsenic removal capacity at room temperature$135.00
  335. GB/T 31193-2014Test method of activity for titanium oxide type sulfur recovery catalyst$135.00
  336. GB/T 31194-2014High purity zinc sulfide for industrial use$135.00
  337. GB/T 31195-2014High chloride high ammonia wastewater—Determination of chemical oxygen demand—Chloride ion calibration method$125.00
  338. GB/T 31196-2014Test method of activity for sulfur exhaust hydrogenation catalyst$135.00
  339. GB/T 31197-2026Inorganic chemicals for industrial use - Determination of impurity ions - Ion chromatography$470.00
  340. GB/T 31198-2014Test method of activity for deoxidizing protection type sulfur recovery catalyst$135.00
  341. GB/T 31199-2014Surface roughness parameters measurement for CTP plate substrate$85.00
  342. GB/T 31200-2014Graphical signs and guidelines for the use of lifts, escalators and moving walks$135.00
  343. GB/T 31201-2014Complex fertilizer (slow control release) production complete equipment$145.00
  344. GB/T 31202-2014Agricultural and forestry machinery and garden machinery—Pedestrian controlled and hand-held machines—Determination of accessibility of hot surfaces$145.00
  345. GB/T 31203-2014Aluminum alloy wheel castings for passenger car$105.00
  346. GB/T 31204-2014Carbon steel investment casting$95.00
  347. GB/T 31205-2014Abrasion-corrosion resistant steel castings$210.00
  348. GB/T 31205-2026Abrasion- and corrosion-resistant steel castings$300.00
  349. GB/T 31206-2014Guideline for green design of mechanical products$135.00
  350. GB/T 31207-2014Quality management requirements for machinery products remanufacturing$85.00
  351. GB/T 31208-2014The methods of quality evaluation for remanufacturing core$125.00
  352. GB/T 31209-2014Technical requirements for cryogenic cold air cutting$85.00
  353. GB/T 31210.1-2014Green manufacturing—Near dry cutting—Part 1: General requirements$145.00
  354. GB/T 31210.2-2014Green manufacturing - Near dry cutting - Part 2: Technical requirements for minimum quantity lubricating system$85.00
  355. GB/T 31211-2014Non-destructive testing - Ultrasonic guided-wave testing - Part 1: General principle$205.00
  356. GB/T 31211.1-2024Non-destructive testing - Ultrasonic guided wave testing - Part 1: General principles$495.00
  357. GB/T 31211.2-2024Non-destructive testing - Ultrasonic guided wave testing - Part 2: Test method based on magnetostrictive transduction$360.00
  358. GB/T 31211.3-2026Non-destructive testing - Ultrasonic guided-wave testing - Part 3: Test method on phased-array technique$360.00
  359. GB/T 31212-2014Non-destructive testing—Magnetic flux leakage testing—General principles$205.00
  360. GB/T 31213.1-2014Non-destructive testing—Testing of cast iron equipments and components—Part 1: Test method for ultrasonic$195.00
  361. GB/T 31213.2-2014Non-destructive testing—Testing of cast iron equipments and components—Part 2: Test method for acousto-ultrasonic$135.00
  362. GB/T 31213.3-2014Non-destructive testing—Testing of cast iron equipments and components—Part 3: Test method for acoustic emission$225.00
  363. GB/T 31214.1-2014Springs -- Shot peening -- Part 1: General procedures$175.00
  364. GB/T 31214.2-2021Springs—Shot peening—Part 2: Cut wire shot technical specification and testing$210.00
  365. GB/T 31215-2014Feed additive blender—Guidelines for sweetener$135.00
  366. GB/T 31216-2014Complete pet food—Dog food$75.00
  367. GB/T 31217-2014Complete pet food—Cat food$75.00
  368. GB/T 31218-2014Metallic materials - Determination of residual stress - Sectioning relaxation strain gauge method$125.00
  369. GB/T 31219.2-2014Specification of library collections digitization—Part 2: Text resources$135.00
  370. GB/T 31219.3-2014Specification of library collections digitization—Part 3: Image resources$255.00
  371. GB/T 31219.4-2014Specification of library collections digitization—Part 4: Audio resources$205.00
  372. GB/T 31219.5-2016Specification of library collections digitization—Part 5: Video resources$135.00
  373. GB/T 31225-2014Test method for the thickness of silicon oxide on Si substrate by ellipsometer$120.00
  374. GB/T 31226-2014Standard test method for determination of surface roughness by scanning tunneling microscopy for gas distribution system components$225.00
  375. GB/T 31227-2014Test method for the surface roughness by atomic force microscope for sputtered thin films$135.00
  376. GB/T 31228-2014Instrumented nanoindentation test—Terminology$235.00
  377. GB/T 31229-2014Test method for volatility rate by thermogravimetry$180.00
  378. GB/T 31230.1-2014Industrial ethernet fieldbus EtherCAT—Part 1: Overview$115.00
  379. GB/T 31230.2-2014Industrial ethernet fieldbus EtherCAT—Part 2: Physical Layer service and protocol specification$255.00
  380. GB/T 31230.3-2014Industrial ethernet fieldbus EtherCAT—Part 3: Data Link Layer service definition$535.00
  381. GB/T 31230.4-2014Industrial ethernet fieldbus EtherCAT—Part 4: Data Link Layer protocol specificatiion$1,955.00
  382. GB/T 31230.5-2014Industrial ethernet fieldbus EtherCAT—Part 5: Application Layer service definition$1,355.00
  383. GB/T 31230.6-2014Industrial ethernet fieldbus EtherCAT—Part 6: Application Layer protocol specification$2,075.00
  384. GB/T 31231-2014Determination of zinc and lead isotopic ratios in aqueous solution - Multiple-collectors inductively coupled plasma mass spectrometry$135.00
  385. GB/T 31232.1-2018E-commerce statistical indicator system—Part1:Overall$235.00
  386. GB/T 31232.2-2025E-commerce statistical indicator system — Part 2: Online marketing$300.00
  387. GB/T 31234-2014Technical specification for YBZT series Flameproof premium efficiency three-phase induction motor with copper rotor (Frame size 80 t0 200)$295.00
  388. GB/T 31235-2024Technical specification for fittings of +/-800 kV DC overhead transmission line$255.00
  389. GB/T 31236-2014Specification for 1000kV transmission line protection equipment$235.00
  390. GB/T 31237-2014Inspection specification for 1000kV power system protection relay and automation device$295.00
  391. GB/T 31238-20141000kV current transformers technical specifications$105.00
  392. GB/T 31239-2023Technical specification for fittings of 1000kV substation$185.00
  393. GB/T 31240-2014Information technology -- Pathways and spaces for customer premises cabling$510.00
  394. GB/T 31242-2014Characteristics of single-mode optical fibers for equipment intraconnection$145.00
  395. GB/T 31243-2014Specification of design for disassembly of telecommunication infrastructure equipment$125.00
  396. GB/T 31244-2014Specification for design for disassembly of telecommunication terminal equipment$125.00
  397. GB/T 31246-2025Water treatment chemicals - Cationic polyacrylamides$285.00
  398. GB/T 31248-2014Test methods for the measurement of flame spread, heat release and smoke production on electric or optical fibre cables under fire conditions$590.00
  399. GB/T 31249-2014Environmentally conscious design for electrical and electronic products—Materials selection$145.00
  400. GB/T 31250-2014General requirements on environmental information of electrical and electronic products$145.00
  401. GB/T 31253-2014Natural gas—Validation for gaseous reference materials—Direct measurement of calorific value and density$235.00
  402. GB/T 31254-2014Safety of machinery—Safety specification for the design of fixed ladders$155.00
  403. GB/T 31255-2014Safety of machinery—Safety specification for the design of industrial type stairs, working platforms and walkways$75.00
  404. GB/T 31256-2014Conveyor belts -- Specification for rubber-or plastics-covered conveyor belts of textile construction for underground mining$235.00
  405. GB/T 31258-2024Specification of zip line$300.00
  406. GB/T 31259-2014Pipe supports with thermo-probe$235.00
  407. GB/T 31261-2014Digital Video Broadcasting (DVB)—Interaction channel communication protocol for satellite distribution systems$2,100.00
  408. GB/T 31262-2014General technical requirements for Ku band vehicle mounted-satellite communication earth station under stationary using$205.00
  409. GB/T 31263-2014General technical requirements for Ku-band portable satellite communication earth station$205.00
  410. GB/T 31264-2014Test methods for mechanical properties of structural wood-based panels$435.00
  411. GB/T 31265-2014Wood I beams for concrete form$235.00
  412. GB/T 31266-2014Determination of chloral content for superphosphorate$89.00
  413. GB/T 31267-2014Implementation procedure for space science experiment projects$85.00
  414. GB/T 31268-2024Restricting excessive packaging for commodities - General rule$255.00
  415. GB/T 31269-2023Honeycomb fiberboard boxes$210.00
  416. GB/T 31270.1-2025Test guidelines on environmental safety assessment for chemical pesticides - Part 1: Soil metabolism test$345.00
  417. GB/T 31270.10-2025Test guidelines on environmental safety assessment for chemical pesticides — Part 10: Honeybee acute toxicity test$360.00
  418. GB/T 31270.11-2025Test guidelines on environmental safety assessment for chemical pesticides — Part 11: Silkworm acute toxicity test$255.00
  419. GB/T 31270.12-2025Test guidelines on environmental safety assessment for chemical pesticides — Part 12: Fish acute toxicity test$360.00
  420. GB/T 31270.13-2025Test guidelines on environmental safety assessment for chemical pesticides — Part 13: Daphnia sp. acute immobilisation test$300.00
  421. GB/T 31270.14-2025Test guidelines on environmental safety assessment for chemical pesticides - Part 14: Alga growth inhibition test$360.00
  422. GB/T 31270.15-2025Test guidelines on environmental safety assessment for chemical pesticides - Part 15: Earthworm acute toxicity test$255.00
  423. GB/T 31270.16-2025Test guidelines on environmental safety assessment for chemical pesticides - Part 16: Soil microorganism toxicity test$255.00
  424. GB/T 31270.17-2025Test guidelines on environmental safety assessment for chemical pesticides - Part 17: Trichogramma acute toxicity test$255.00
  425. GB/T 31270.18-2014Test guidelines on environmental safety assessment for chemical pesticides—Part 18: Amphibian acute toxicity test$85.00
  426. GB/T 31270.19-2014Test guidelines on environmental safety assessment for chemical pesticides - Part 19: Effects on non-target plants$185.00
  427. GB/T 31270.2-2025Test guidelines on environmental safety assessment for chemical pesticides — Part 2: Hydrolysis test$300.00
  428. GB/T 31270.20-2014Test guidelines on environmental safety assessment for chemical pesticides—Part 20: Livestock short-term dietary toxicity test$145.00
  429. GB/T 31270.21-2014Guidelines on environmental safety assessment for chemical pesticides—Part 21: Macro-crustacean toxicity test$145.00
  430. GB/T 31270.22-2025Test guidelines on environmental safety assessment for chemical pesticides — Part 22: Photolysis test on soil surface$255.00
  431. GB/T 31270.23-2025Test guidelines on environmental safety assessment for chemical pesticides - Part 23: Avian acute oral toxicity test$435.00
  432. GB/T 31270.3-2014Test guidelines on environmental safety assessment for chemical pesticides—Part 3: Phototransformation$165.00
  433. GB/T 31270.4-2025Test guidelines on environmental safety assessment for chemical pesticides - Part 4: Adsorption/desorption in soils$420.00
  434. GB/T 31270.5-2025Test guidelines on environmental safety assessment for chemical pesticides - Part 5: Leaching test in soil$300.00
  435. GB/T 31270.6-2014Test guidelines on environmental safety assessment for chemical pesticides—Part 6: Volatility$145.00
  436. GB/T 31270.7-2025Test guidelines on environmental safety assessment for chemical pesticides - Part 7: Bioconcentration test$450.00
  437. GB/T 31270.8-2025Test guidelines on environmental safety assessment for chemical pesticides — Part 8: Aquatic sediment system metabolism test$300.00
  438. GB/T 31270.9-2014Test guidelines on environmental safety assessment for chemical pesticides—Part 9: Avian acute toxicity test$125.00
  439. GB/T 31270.9-2025Test guidelines on environmental safety assessment for chemical pesticides — Part 9: Avian short-term dietary toxicity test$255.00
  440. GB/T 31271-2014Packaging—Rate of recycling—Definition and method of calculation$145.00
  441. GB/T 31272-2014Packaging—Rate of energy recovery—Definition and method of calculation$145.00
  442. GB/T 31273-2014Criterion of processing management for quick-frozen fruit and quick-frozen vegetable$205.00
  443. GB/T 31275-2026Assessment of lighting equipment related to human exposure to electromagnetic fields$695.00
  444. GB/T 31277-2022Brand valuation—Retail industry$270.00
  445. GB/T 31278-2026Brand valuation - Apparel, footwear and headwear industry$300.00
  446. GB/T 31279-2014Brand valuation - Household appliance manufacturing industry$145.00
  447. GB/T 31280-2022Brand valuation—Alcohol, beverage and refined tea manufacturing industry$165.00
  448. GB/T 31281-2025Brand valuation—Petroleum and chemical Industry$150.00
  449. GB/T 31282-2014Brand valuation - Internet and related services$145.00
  450. GB/T 31283-2014Brand valuation—Mechanical equipment manufacturing industry$145.00
  451. GB/T 31284-2014Brand valuation—Tourism$205.00
  452. GB/T 31285-2014Brand valuation - Catering industry$205.00
  453. GB/T 31286-2014National organization codes and names$175.00
  454. GB/T 31287-2014National organization code application - Identifying specification$165.00
  455. GB/T 31288-2014Iron tailings sand$145.00
  456. GB/T 31289-2025Portland cement used for ocean project$185.00
  457. GB/T 31290-2022Carbon fibre—Determination of the tensile properties of single-filament specimens$165.00
  458. GB/T 31291-2014Standard for evaluation of duration of load and creep effects of wood and wood-based products$105.00
  459. GB/T 31292-2014Carbon fibre - Determination of carbon content - Combustion absorption method$145.00
  460. GB/T 31293-2025Vacuum resin infusion molding epoxy for wind blade$255.00
  461. GB/T 31294-2014The core to wind turbine blade—Test method for facing cleavage of sandwich panels$135.00
  462. GB/T 31295-2014The core to wind turbine blade—Determination of dimensional stability at elevated temperatures with flexural load and with compressive load$145.00
  463. GB/T 31296-2014Sulfate-resistant and corrosion-inhibiting admixtures for concrete$205.00
  464. GB/T 31297-2014TC4 ELI titanium alloy plate and sheet$145.00
  465. GB/T 31298-2014TC4 titanium alloy plate$145.00
  466. GB/T 31299-2014Household electric thermal storage room heaters -- Methods for measuring performance$415.00
  467. GB/T 31300-2014Specification for third party inventory collateral management$205.00
  468. GB/T 31301.1-2015Footwear manufacturing machines—Safety requirements—Part 1: Lasting machines$415.00
  469. GB/T 31301.1-2026Footwear manufacturing machines - Safety requirements - Part 1: Lasting machines$1,927.00
  470. GB/T 31301.2-2015Footwear manufacturing machines—Safety requirements—Part2: Nailing machines$295.00
  471. GB/T 31301.3-2015Footwear manufacturing machines—Safety require—Part 3: Grinding and polishing machines$415.00
  472. GB/T 31301.4-2015Footwear manufacturing machines—Safety requirements—Part 4: Foorwear moulding machines$710.00
  473. GB/T 31301.5-2015Footwear machines—Safety requirements—Part 5: Splitting,Trimming and cutting machines$445.00
  474. GB/T 31301.6-2020Footwear manufacturing machines—Safety requirememts—Part 6: Cementing and cementing drying machines$455.00
  475. GB/T 31301.7-2020Footwear manufacturing machines—Safety requirememts—Part 7: Milling and engraving machines$480.00
  476. GB/T 31301.8-2020Footwear manufacturing machines—Safety requirememts—Part 8: Moulding machines$480.00
  477. GB/T 31303-2014Austenitic-Ferritic duplex stainless steel bars$235.00
  478. GB/T 31304-2026Epoxy-coated high strength wire stay cable$560.00
  479. GB/T 31305-2014Electromagnetic vibration air pump for aquariums and similar application$235.00
  480. GB/T 31306-2014Circulating water temperature regulator for aquariums and similar application$355.00
  481. GB/T 31307-2014Single electromagnetic piston air pump for aquariums and similar application$205.00
  482. GB/T 31308.1-2026Processes, data elements and documents in commerce, industry and administration - Long term signature - Part 1: Profiles for CMS Advanced Electronic Signatures (CAdES)$495.00
  483. GB/T 31308.2-2026Processes, data elements and documents in commerce, industry and administration - Long term signature - Part 2: Profiles for XML Advanced Electronic Signatures (XAdES)$420.00
  484. GB/T 31308.3-2023Processes, data elements and documents in commerce, industry and administration - Long term signature - Part 3: Long term signature profiles for PDF Advanced Electronic Signatures(PAdES)$470.00
  485. GB/T 31308.4-2023Processes, data elements and documents in commerce, industry and administration - Long term signature - Part 4: Attributes pointing to proof of existence objects used in long term signature formats$500.00
  486. GB/T 31309-2020Calculation of electron vacancy number in cast superalloys$180.00
  487. GB/T 31310-2014Metallic materials - Determination of residual stress - Hole drilling strain gauge method$265.00
  488. GB/T 31311-2014Metallurgical-grade fluorspar -- Determination of lead content -- Solvent extraction atomic absorption spectrometric method$145.00
  489. GB/T 31312-2014Metallurgical grade fluorspar -- Determination of antimony content -- Solvent extraction atomic absorption spectrometric method$145.00
  490. GB/T 31313-2014Fluorspar -- Determination of particle size distribution by sieving$205.00
  491. GB/T 31314-2014Multi wires of large diameter strand with high-strength and low-relaxation strand for prestressing$205.00
  492. GB/T 31315-2014Cold drawn or cold rolled precision weld steel tubes for mechanical structures$75.00
  493. GB/T 31316-2014General principles of cathodic protection in sea water$355.00
  494. GB/T 31317-2014Corrosion of metals and alloys—Black box exposure test method$145.00
  495. GB/T 31318-2025Preserved fruits — General quality for hawthorn products$180.00
  496. GB/T 31319-2014Air dried poultry meat$145.00
  497. GB/T 31320-2014Liquid candy$145.00
  498. GB/T 31321-2014The test methods for frozen drink products$195.00
  499. GB/T 31322-2014Multifunctional vegetable cutter test method$225.00
  500. GB/T 31323-2014Instant rice$145.00
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