Search GB/T

500 GB/T standards in English, from GB/T 28398-2023 to GB/T 28915-2012, in code order.

  1. GB/T 28398-2023Norms of energy consumption statistics for coal enterprises$210.00
  2. GB/T 28399-2012The safty rules for handling in Ro-Ro terminal$145.00
  3. GB/T 28400-2012Neodymium magnesium alloy$85.00
  4. GB/T 28405-2012Regulations for classification on agriculture land$525.00
  5. GB/T 28406-2012Regulations for valuation on agriculture land$830.00
  6. GB/T 28407-2012Regulation for gradation on agriculture land quality$4,220.00
  7. GB/T 28408-2012Protective clothing - Repellent shield clothing$195.00
  8. GB/T 28409-2012Selection, use and maintenance of foot protective equipment$195.00
  9. GB/T 28410-2012Structural steel plate for wind power tower$125.00
  10. GB/T 28411-2012General specification of superalloy investment structural castings$165.00
  11. GB/T 28412-2012General specification of superalloy investment cast airfoils$195.00
  12. GB/T 28413-2012Welded carbon steel tubes for boilers and heat exchangers$315.00
  13. GB/T 28414-2012Structural section steels with improved seismic resistance$165.00
  14. GB/T 28416-2012Corrosion tests in artificial atmospheres -- Accelerated corrosion tests involving alternate exposure to corrosion-promoting gases, neutral salt-spray and drying$165.00
  15. GB/T 28417-2023Carbon bearing steel$240.00
  16. GB/T 28418-2012Fundamental technical requirements for soil moisture-monitoring instruments$165.00
  17. GB/T 28419-2012Guide of remote sensing monitoring for sandstorm source$105.00
  18. GB/T 28420-2012Electronic toll collection - Data and technical specification of OBE-SAM$435.00
  19. GB/T 28421-2012Electronic toll collection - ETC transaction for DSRC$435.00
  20. GB/T 28422-2012Electronic toll collection - Key information coding$125.00
  21. GB/T 28423-2012Electronic toll collection - Interface between roadside unit and lane controller$465.00
  22. GB/T 28424-2012Graphical symbols and cutline for use in equipment of TV monitoring system for traffic$165.00
  23. GB/T 28425-2012Intelligent transport systems - Message set template$315.00
  24. GB/T 28426-2021Rail heavy-duty maintenance machinery—Rail flaw detection vehicle$210.00
  25. GB/T 28427-2026Cables for electrified railways - 27.5 kV single-phase AC power cables and cable accessories$830.00
  26. GB/T 28428-201227.5kV and 2×27.5kV AC metal-enclosed switchgear and controlgear for electrification railway$520.00
  27. GB/T 28429-2025Cables for electrified railways - DC traction power cables and accessories up to 1500 V$455.00
  28. GB/T 28430-2012Technical specification of data broadcasting in digital television system$1,100.00
  29. GB/T 28431-2012Specification for transport stream multiplexing and interfaces in digital terrestrial television$195.00
  30. GB/T 28432-2012Planning criteria for single frequency networks of digital terrestrial television broadcasting$195.00
  31. GB/T 28433-2012Technical requirements for single frequency network of digital terrestrial television broadcasting$125.00
  32. GB/T 28434-2012Technical requirements and measurement methods of digital terrestrial television broadcasting single frequency network adapter$375.00
  33. GB/T 28435-2012Technical specifications and methods of measurement for digital terrestrial television broadcasting transmitters$375.00
  34. GB/T 28436-2012Technical requirements and measurement methods of digital terrestrial television broadcasting exciter$435.00
  35. GB/T 28437-2012Technical specifications of monitoring for digital terrestrial television broadcasting$255.00
  36. GB/T 28438.1-2012Objective assessment and measurement methods for coverage of digital terrestrial television broadcasting signals - Part 1: Outdoor fixed reception$195.00
  37. GB/T 28438.2-2019Objective assessment and measurement methods for coverage of digital terrestrial television broadcasting signals—Part 2: Mobile reception$205.00
  38. GB/T 28439-2012General specification for thermal transfer ribbons$85.00
  39. GB/T 28441-2012Data quality specification for navigation electronic map in vehicle$375.00
  40. GB/T 28442-2012Data classification and coding for navigation electronic map$195.00
  41. GB/T 28443-2012Symbols of navigation electronic map$890.00
  42. GB/T 28444-2012Application storage format for navigational electronic chart$435.00
  43. GB/T 28445-2012Data quality specification for navigation electronic map in personal position$435.00
  44. GB/T 28446.1-2012Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices -- Human models, instrumentation, and procedures -- Part 1: Procedure to determine the specific absorption rate (SAR) for hand-held devices used in clo$1,070.00
  45. GB/T 28447-2012Information security technology - Specification on the operation management of a certificate authority$435.00
  46. GB/T 28448-2019Information security technology —Evaluation requirement for classified protection of cybersecurity$2,300.00
  47. GB/T 28449-2018Information security technology—Testing and evaluation process guide for classified protection of cybersecurity$725.00
  48. GB/T 28450-2020Cybersecurity technology - Guidelines for information security management systems auditing$515.00
  49. GB/T 28450-2026Cybersecurity technology - Guidelines for information security management systems auditing$515.00
  50. GB/T 28451-2012Information security technology -- Technical requirements and testing and evaluation approaches for network-based intrusion prevention system products$650.00
  51. GB/T 28451-2023Information security technology—Technical specification for network intrusion prevention system$515.00
  52. GB/T 28452-2012Information security technology - Common security technique requirement for application software system$650.00
  53. GB/T 28453-2012Information security technology - Information system security management assessment requirements$2,540.00
  54. GB/T 28454-2020Information technology - Security techniques - Selection, deployment and operation of intrusion detection and prevention systems (IDPS)$740.00
  55. GB/T 28455-2026Cybersecurity technology - Entity authentication involving a trusted third party and access architecture specification$620.00
  56. GB/T 28456-2012Testing specification for applications of IPsec protocol$1,160.00
  57. GB/T 28457-2012Testing specification for applications of SSL protocol$830.00
  58. GB/T 28458-2020Information security technology—Cybersecurity vulnerability identification and description specification$115.00
  59. GB/T 28459-2012Public textiles$165.00
  60. GB/T 28460-2012Horsetail hair interlining$105.00
  61. GB/T 28461-2012Carbon fiber prepreg$165.00
  62. GB/T 28462-2012Woven napping fabric for synthetic leather$125.00
  63. GB/T 28463-2012Textiles - Coated fabrics for furnishings$125.00
  64. GB/T 28464-2012Textiles - Coated fabrics for clothing$125.00
  65. GB/T 28465-2024Inspection rules for garment interlining$105.00
  66. GB/T 28466-2012Polyester filament embroidery threads$145.00
  67. GB/T 28467-2012Color card of polyester embroidery threads$255.00
  68. GB/T 28468-2012Traffic safety uniforms with reflective fabrics for primary and secondary students in schools$85.00
  69. GB/T 28469.1-2012Electromagnetic and inductive digital instrument - Part 1: General specification$145.00
  70. GB/T 28469.2-2012Electromagnetic and inductive digital instrument - Part 2: Methods of evaluating the performance$125.00
  71. GB/T 28470-2012Methods of evaluating the performance of electrical and pneumatic analogue computing unit for use in industrial process measurement and control systems$255.00
  72. GB/T 28471.1-2012Safety barrier for use in industrial-process measure and control systems - Part 1: General technical specification$195.00
  73. GB/T 28471.2-2012Safety barrier for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance$165.00
  74. GB/T 28472.1-2012Distributor for use in industrial-process measure and control systems - Part 1: General technical specification$165.00
  75. GB/T 28472.2-2012Distributor for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance$225.00
  76. GB/T 28473.1-2012Temperature transmitters for use in industrial-process measure and control systems - Part 1: General specification$165.00
  77. GB/T 28473.2-2012Temperature transmitters for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance$205.00
  78. GB/T 28474.1-2012Pressure/Differential-pressure transmitters for use in industrial-process measure and control systems - Part 1: General specification$195.00
  79. GB/T 28474.2-2012Pressure/Differential-pressure transmitters for use in industrial-process measure and control systems - Part 2: Methods of evaluating the performance$145.00
  80. GB/T 28475.1-2012Microprocessor control equipment in industrial stove - Part 1: General specification$195.00
  81. GB/T 28475.2-2012Microprocessor control equipment in industrial stove - Part 2: Methods of evaluating the performance$195.00
  82. GB/T 28477-2026General technical requirements for children's umbrellas$210.00
  83. GB/T 28478-2024Outdoor furniture - General technical requirements for tables and chairs$875.00
  84. GB/T 28479-2012Classifications and codes for international trade documents$500.00
  85. GB/T 28483-2012Environmentally friendly rubber latex for carpet application--Carboxylated styrene-butadiene rubber latex and limitation of hazardous substances$145.00
  86. GB/T 28484-2012General specification for compression and expansion equipment of electrophones$255.00
  87. GB/T 28484-2026General technical requirements for compression and expansion equipment of electrophones musical instruments$300.00
  88. GB/T 28485-2012Coated adornment -- Detection of nickel release -- Method for simulation of wear and corrosion$55.00
  89. GB/T 28486-2012Determination of dimethyl fumarate in mildew preventives$165.00
  90. GB/T 28487-2012Precious metal alloys chains - Determination of tensile strength - Method of tensile testing$85.00
  91. GB/T 28488-2012Yarn for machine-made carpets$195.00
  92. GB/T 28489-2012Limits of hazardous substances for musical instruments$195.00
  93. GB/T 28490-2012Button classification and terminology$375.00
  94. GB/T 28491-2012Button general technical requirements and testing methods - Natural shell button$225.00
  95. GB/T 28492-2012Button general technical requirements and methods - Copper button$225.00
  96. GB/T 28493-2012Test method for rating vending machines for bottled, canned, and other sealed beverages$185.00
  97. GB/T 28494-2012Globe valves of thermoplastics materials$285.00
  98. GB/T 28495-2012General technical requirements for bamboo and wooden toys$145.00
  99. GB/T 28497-2012The specification of IP over SDH using LAPS$435.00
  100. GB/T 28498-2012Technical requirements of ethernet over SDH$255.00
  101. GB/T 28499.1-2012Technical requirement for IP video terminal equipment - Part 1: terminal based on ITU-T H.323$435.00
  102. GB/T 28500-2012Technical requirements of 900/1800MHz TDMA digital cellular mobile network signaling system NO.7 ISUP$1,640.00
  103. GB/T 28501-2012Technical requirements of telephony routing over IP (TRIP)$560.00
  104. GB/T 28502-2012Technical requirement of interworking between No.7 signalling and IP$500.00
  105. GB/T 28503-2012Technical requirements of adaptation layer of No.7 signalling interworking with IP MTP2 user adaptation layer$710.00
  106. GB/T 28504.1-2012Rare earth doped optical fibre - Part 1: Characteristics of double-cladding ytterbium-doped optical fibre$125.00
  107. GB/T 28504.2-2021Rare earth doped optical fibre—Part 2: Characteristics of double-cladding thulium-doped optical fibre$205.00
  108. GB/T 28504.3-2021Rare earth doped optical fibre—Part 3: Characteristics of double-cladding erbium-ytterbium co-doped optical fibre$240.00
  109. GB/T 28504.4-2025Rare earth doped optical fibre - Part 4: Characteristics of erbium-doped optical fibre$210.00
  110. GB/T 28505-2012Technical specification of national No.7 signalling system 2 Mbit/s high speed link$315.00
  111. GB/T 28506-2012Technical specification for national No.7 signalling system - GSM mobile telephone user part (MTUP)$890.00
  112. GB/T 28507-2012Description guidelines for voice exhibition of web documents$165.00
  113. GB/T 28508-2012General technical requirements for broadband customer network based on telecommunication network$375.00
  114. GB/T 28509-2012Ultrafine coaxial cables with insulation diameter below 1mm and cable assemblies$435.00
  115. GB/T 28510-2012Technical specification of stream control transmission protocol$890.00
  116. GB/T 28511.2-2023Integrated optical path devices based on planar lightwave circuit - Part 2: Dense wavelength division multiplexing(DWDM) filter based on arrayed waveguide grating(AWG) technology$495.00
  117. GB/T 28512-2012Diameter base protocol for IP network$1,100.00
  118. GB/T 28513-2012Application profile -- Sign language and lip-reading real-time conversation using low bit-rate video communication$195.00
  119. GB/T 28514.3-2012IPv6 routing protocol - Part 3: Intermediate system to intermediate system intra-domain routing information exchange protocol (IS-ISv6)$105.00
  120. GB/T 28515.1-2012Test specifications for automatically switched optical network (ASON) - Part 1: Test specifications for SDH-based ASON$1,520.00
  121. GB/T 28515.2-2021Test method for automatically switched optical network(ASON)—Part 2: OTN-based ASON$890.00
  122. GB/T 28516-2012Technical requirement for anti-spam Email gateway$145.00
  123. GB/T 28517-2012Network incident object description and exchange format$650.00
  124. GB/T 28518-2012Flame resistant optical fibre cables for communication for mine$255.00
  125. GB/T 28519-2012General principles of energy consumption test methods for telecommunication equipment$105.00
  126. GB/T 28520-2012Intelligent heat exchanger for telecommunication stations/sites$205.00
  127. GB/T 28521-2012Intelligent energy saving system by fresh air for telecommunication stations/sites$255.00
  128. GB/T 28522-2012Method of calculating recoverability rate of telecommunication terminal equipment$145.00
  129. GB/T 28523-2012Method of calculating recoverability rate of telecommunication infrastructure equipment$145.00
  130. GB/T 28524-2012Media gateway control protocol (MGCP)$1,160.00
  131. GB/T 28528-2012Model compilation method of hydraulic turbines, storage pumps and pump-turbines$145.00
  132. GB/T 28529-2025Platform brake testers$435.00
  133. GB/T 28530-2012Aligned series of international freight forwarding documents - Documentary data entry$1,160.00
  134. GB/T 28531-2012Guideline on transport corridor performance measurement and monitoring$315.00
  135. GB/T 28532-2012Coding rules for carrier identifiers$135.00
  136. GB/T 28533.1-2012Coupling connector for use in explosive gas atmospheres - Part 1: Type of protection “n” coupling connector$195.00
  137. GB/T 28534-2012The health and environmental impact on release of sulphur hexafluoride (SF6) used in high-voltage switchgear and controlgear$650.00
  138. GB/T 28535-2018Separators for lead—acid batteries$510.00
  139. GB/T 28536-2012Guidelines for formulating the ageing management programme for mechanical equipment in nuclear power plants$113.00
  140. GB/T 28537-2012Use and handling of sulphur hexafluoride (SF6) in high-voltage switchgear and controlgear$315.00
  141. GB/T 28538-2023Ophthalmic optics - Contact lenses and contact lenses care products - Determination of biocompatibility by ocular study with rabbit eyes$225.00
  142. GB/T 28540-2012Estimating method of radon-222 emanation rate from uranium tailings$145.00
  143. GB/T 28541-2012Insulation co-ordination for equipments of ±800kV high voltage direct current converter stations$375.00
  144. GB/T 28542-2012Road vehicles jump-start cables$115.00
  145. GB/T 28543-2021Noise measurement method on power capacitors$285.00
  146. GB/T 28544-2012Measurement methods of light output and intrinsic resolution for housed scintillators$255.00
  147. GB/T 28545-2023Directives for rehabilitation and performance improvement for hydraulic turbines, storage pumps and pump-turbines$1,775.00
  148. GB/T 28546-2026Technical requirements for the packaging, transport and storage of large and medium hydraulic units$300.00
  149. GB/T 28547-2023Selection and application recommendations of metal oxide surge arresters for a. c. systems$3,125.00
  150. GB/T 28548-2012Technical guideline for primary circuit hydraulic tests in nuclear power plants$85.00
  151. GB/T 28549-2012Verification requirements for supports in the nuclear island during nuclear power plant commissioning$135.00
  152. GB/T 28550-2012Piping verification requirements during nuclear power plant commissioning$103.00
  153. GB/T 28551-2012Technical guideline for the commissioning of centrifugal pump sets in nuclear power plants$95.00
  154. GB/T 28552-2012Determination of acid number in transformer oils and turbine oils by BTB method$105.00
  155. GB/T 28553-2012Steam turbines -- Steam purity$195.00
  156. GB/T 28554-2012Electrical equipment of industrial machines -- Electromagnetic compatibility for the construction machinery with internal electrical power supply$500.00
  157. GB/T 28555-2012Technical requirements of treatment facilities for waste electrical and electronic products - Treatment facilities for refrigeration equipment and cathode ray tube (CRT) monitors$125.00
  158. GB/T 28556-2012Flameproof and intrinsically safe controller with frequency converter for coalmine ventilation fan$375.00
  159. GB/T 28557-2012Regulating evaluation of index on energy saving main parameter for electricity enterprise$195.00
  160. GB/T 28558-2012Supercritical and ultra-supercritical generating set parameter series$105.00
  161. GB/T 28559-2025Supercritical and ultra-supercritical turbine — Blades$360.00
  162. GB/T 28560-2012Electrical installations in ships -- Small vessels$525.00
  163. GB/T 28561-2023Electrical installation in ships - Automation, control and instrumentation$575.00
  164. GB/T 28562-2012Specification for YVF series variable frequency high voltage three-phase induction motors (Frame size 355-630)$315.00
  165. GB/T 28564-2012Cabinets for electrotechnical and electronic equipment - Modular design requirements$165.00
  166. GB/T 28565-2012High-voltage alternating-current series capacitor by-pass switches$1,310.00
  167. GB/T 28566-2012Security specification and its evaluation for generating unit interconnection$620.00
  168. GB/T 28567-2022Technical requirements for special equipment of electric wire and cable$515.00
  169. GB/T 28568-2012Cabinets for electrotechnical and electronic equipment - Safety design requirements$255.00
  170. GB/T 28569-2024Electric energy metering for AC charging spots of electric vehicles$360.00
  171. GB/T 28570-2025Technical guide of on-line condition monitoring system for hydraulic turbine and generator units$455.00
  172. GB/T 28571.1-2012The telecom equipment cabinet - Part 1: General specification$405.00
  173. GB/T 28572-2025Specification and technical parameters of inlet valves for large and medium-sized hydraulic turbines$450.00
  174. GB/T 28573-2012Petroleum, petrochemical and natural gas industries steam turbines - General-purpose applications$860.00
  175. GB/T 28574-2012Petroleum, petrochemical and natural gas industries steam turbines -- Special-purpose applications$1,100.00
  176. GB/T 28575-2020Specification for YE3 series (IP55) three-phase induction motors (Frame size 63~355)$315.00
  177. GB/T 28576-2012Calculation of industrial rack design$345.00
  178. GB/T 28577-2021Classification & basic requirement for cold chain logistics$150.00
  179. GB/T 28580-2023Quality specifications for port logistics services$205.00
  180. GB/T 28581-2021Planning and design parameter of general warehouse and warehouse area$210.00
  181. GB/T 28582-2012Express waybill$315.00
  182. GB/T 28583-2025Specification of electricity supply service$360.00
  183. GB/T 28584-2012Specifications for the establishment of urban coordinate system$255.00
  184. GB/T 28585-2025Geographic information - Methodology for feature cataloguing$1,025.00
  185. GB/T 28587-2012Inertial measurement unit in the mobile mapping system$255.00
  186. GB/T 28588-2012Specifications for the continuously operating reference station using global navigation satellite system$525.00
  187. GB/T 28589-2024Geographic information - Positioning services$890.00
  188. GB/T 28590-2012Classification and code for urban underground facilities$375.00
  189. GB/T 28591-2012Wind scale$85.00
  190. GB/T 28592-2012Grade of precipitation$85.00
  191. GB/T 28593-2026Sand and dust weather warning levels$195.00
  192. GB/T 28594-2021Weather nowcasting$90.00
  193. GB/T 28595-2012Elimination of the endemic arsenism areas$90.00
  194. GB/T 28596-2012Internal carbon coated Polyethylene terephthalate (PET) bottle$255.00
  195. GB/T 28599-2020Determination of phthalate esters in cosmetics$240.00
  196. GB/T 28600-2012Rubber compounding ingredients - Silica, precipitated, hydrated -Determination of average pore diameter$75.00
  197. GB/T 28601-2012Rubber compounding ingredients - Silica,precipitated,hydrated - Determination of gelatin content$75.00
  198. GB/T 28602-2012Production technical regulation for furnace-process phosphoric acid$315.00
  199. GB/T 28603-2012Production technical regulation for Anhydrous hydrogen fluoride$255.00
  200. GB/T 28604-2012Rubber seals used in living-water and drinking-water supply pipes and fittings$105.00
  201. GB/T 28605-2012Rubber and plastics tubing and hoses and hose assemblies for drinking water$145.00
  202. GB/T 28606-2012Determination of perfluorooctanoic acid and salt in the coating -High performance liquid chromatography-tandem mass spectrometry$125.00
  203. GB/T 28607-2012Determination of compatibility between standard elastomeric materials and automotive engine oil$195.00
  204. GB/T 28608-20121-Oxa-4-azacyclohexane ( Morpholine) for industrial use$165.00
  205. GB/T 28609-2012Optical functional films -- Polyethylene terephthalate (PET) -- Determination of birefringence$165.00
  206. GB/T 28610-2020Methyl vinyl silicone rubber$265.00
  207. GB/T 28611-2012O-Nitrotoluene, p-Nitrotoluene$165.00
  208. GB/T 28613-2012Guideline for green manufacturing process planning of mechanical products$125.00
  209. GB/T 28614-2012Green manufacturing - The general technique guideline for dry cutting$125.00
  210. GB/T 28615-2012Green manufacturing - The technology specification for metal-cutting machine tool remanufacturing$165.00
  211. GB/T 28616-2023Green manufacturing - Attributes$225.00
  212. GB/T 28618-2012Remanufacturing - General technical requirements for mechanical products$105.00
  213. GB/T 28619-2012Remanufacturing - Terminology$145.00
  214. GB/T 28619-2024Remanufacturing - Terminology$135.00
  215. GB/T 28620-2012Calculation methods for the remanufacturing rate$75.00
  216. GB/T 28621-2023Safety rules for the construction and installation of new lifts in existing building$435.00
  217. GB/T 28622-2012No power type of amusement devices - Terminology$105.00
  218. GB/T 28624-2012Management and technical specification for digital archives of organization code registration$315.00
  219. GB/T 28625-2012Test chart for color copiers$295.00
  220. GB/T 28626-2012Methods of evaluation for image quality of hardcopy by color copiers$195.00
  221. GB/T 28627-2023Gypsum plaster$240.00
  222. GB/T 28628-2012Test method for air ion concentration of materials$75.00
  223. GB/T 28629-2024Method for the chemical analysis of free silica in cement clinker$300.00
  224. GB/T 28630.1-2012Diagnostic protocols for white spot disease - Part 1: Dot blot hybridization method with DNA probe$195.00
  225. GB/T 28630.2-2012Diagnostic protocols for white spot disease - Part 2: Nested PCR method$255.00
  226. GB/T 28630.3-2012Diagnostic protocols for white spot disease - Part 3: In situ hybridization method$195.00
  227. GB/T 28630.4-2012Diagnostic protocols for white spot disease - Part 4: Histopathology method$195.00
  228. GB/T 28630.5-2012Diagnostic protocols for white spot disease - Part 5: T-E staining method with fresh tissue$85.00
  229. GB/T 28631-2012Calcium aluminate agents for dry-mixed mortar$125.00
  230. GB/T 28632-2012Surface chemical analysis -- Auger electron spectroscopy and X-ray photoelectron spectroscopy -- Determination of lateral resolution$315.00
  231. GB/T 28633-2012Surface chemical analysis -- X-ray photoelectron spectroscopy -- Repeatability and constancy of intensity scale$195.00
  232. GB/T 28634-2025Microbeam analysis - Electron probe microanalysis - Quantitative point analysis for bulk specimens using wavelength dispersive X-ray spectroscopy$240.00
  233. GB/T 28636-2012Heating and air conditioning system hydraulic balance valve$195.00
  234. GB/T 28637-2012Electric daylighting exclude smoke skylight$315.00
  235. GB/T 28638-2023Heat loss test for thermal insulation structure and evaluation methods for thermal insulation efficiency of district heating pipes$480.00
  236. GB/T 28639-2012General technical requirement for DNA microarray$85.00
  237. GB/T 28640-2012Practices for cold-chain transportation of livestock & poultry meat$105.00
  238. GB/T 28641-2012General technical requirement for protein microarray$85.00
  239. GB/T 28642-2012Rapid determination of salmonella spp in animal feeding stuffs - PCR method$165.00
  240. GB/T 28643-2012Determination of PCDD/Fs and dioxin-like PCBs in feeds - Isotope dilution HRGC/HRMS$525.00
  241. GB/T 28646-2012Chemicals -- Test method of mammalian cell micronucleus in vitro$295.00
  242. GB/T 28647-2012Chemicals -- Test method of uterotrophic bioassay in rodents -- A short-term screening test for oestrogenic properties$295.00
  243. GB/T 28648-2012Chemicals -- Acute inhalation toxicity testing -- Acute toxic class method$375.00
  244. GB/T 28649-2012Automatic recognition system for vehicle license plate$195.00
  245. GB/T 28650-2012Road safety barrel$165.00
  246. GB/T 28651-2012Road temporary traffic signs$195.00
  247. GB/T 28654-2018Trichlorosilane for industrial use$235.00
  248. GB/T 28658-2012Standardized operation production of Anzi Fritillaria$195.00
  249. GB/T 28660-2012Genuineness and purity verification of potato seed-tuber - SSR molecular marker$255.00
  250. GB/T 28667-2026Root tuber of Potentilla anserina$255.00
  251. GB/T 28668-2012Grain and oil storage - Safety operation regulations for grain drying$145.00
  252. GB/T 28671-2012Guidelines for pharmaceutical machinery validation$620.00
  253. GB/T 28672-2012The technical specifications for remanufacture of automotive components - Alternator$105.00
  254. GB/T 28673-2012The technical specifications for remanufacturing of automotive components - Starter$105.00
  255. GB/T 28674-2012The technical specifications for remanufacturing of automotive components - Steering gear$125.00
  256. GB/T 28675-2012Remanufacturing of automotive components - Disassembly$75.00
  257. GB/T 28676-2012Remanufacturing of automotive components - Classification$75.00
  258. GB/T 28677-2012Remanufacturing of automotive components - Cleaning$75.00
  259. GB/T 28678-2012Remanufacturing of automotive components - Pre-delivery inspection$75.00
  260. GB/T 28679-2012Remanufacturing of automotive components - Assembly$105.00
  261. GB/T 28680-2012Product grade of hydrangea cut flowers$125.00
  262. GB/T 28681-2012Technical regulation of postharvest handling on bulbs of lily, calla and gladiolus$85.00
  263. GB/T 28682-2012Product grade for pot azalea (Rhododendron hybrid)$105.00
  264. GB/T 28683-2025Phalaenopsis$240.00
  265. GB/T 28685-2012Product grade of eustoma cut flowers$125.00
  266. GB/T 28686-2012Gas turbines thermodynamic performance tests$650.00
  267. GB/T 28688-2012Low pressure die casting machine - Technical requirements$145.00
  268. GB/T 28689-2012High efficiency rotor sand mixers - Technical requirements$105.00
  269. GB/T 28690-2026Resin-bonded sand reclamation equipment — Technical specifications$225.00
  270. GB/T 28691-2012High precision trapezoidal thread broaching tap$195.00
  271. GB/T 28692-2012Printing machinery - Hot glue thermobinder - General test method$195.00
  272. GB/T 28693-2012Tractors and machinery for agricultural and forestry - Requirements of the lighting and light-signalling devices$165.00
  273. GB/T 28694-2012Technical requirement of deep carburizing$145.00
  274. GB/T 28695-2012Standard of strength calculation for centrifugal drum$255.00
  275. GB/T 28696-2012Centrifuge separator drum balance - Inspection standard$195.00
  276. GB/T 28697-2012Rolling bearings -- Aligning thrust ball bearings and aligning seat washers -- Boundary dimensions$85.00
  277. GB/T 28698-2012Rolling bearings -- Deep groove ball bearings for electric motors -- Specifications$135.00
  278. GB/T 28699-2012Steel structure protection General requirements of coatings$435.00
  279. GB/T 28700-2012SWZ universal coupling with bearing box$435.00
  280. GB/T 28701-2012Locking assemblies$980.00
  281. GB/T 28702-2012Nodularizer for spheroidal graphite cast iron$85.00
  282. GB/T 28703-2012Test methods for parallel screw threads$770.00
  283. GB/T 28705-2012Non-destructive testing - Test method for pulsed eddy current testing$185.00
  284. GB/T 28705-2026Non-destructive testing - Pulsed eddy current testing of ferromagnetic metallic components$300.00
  285. GB/T 28706-2012Non-destructive testing - Test method for mechanical and electrical equipment with infrared thermography$155.00
  286. GB/T 28707-2012Disc spring supports and hangers$770.00
  287. GB/T 28708-2012Specification for size selection of seamless and welded steel pipe used in piping engineering$195.00
  288. GB/T 28711-2012No power type of amusement devices -- Swing$235.00
  289. GB/T 28712.1-2023Types and basic parameters of heat exchangers—Part 1: Floating head exchangers$385.00
  290. GB/T 28712.2-2023Types and basic parameters of heat exchangers—Part 2: Fixed tube sheet heat exchangers$385.00
  291. GB/T 28712.3-2023Types and basic parameters of heat exchangers—Part 3: U-tube heat exchangers$305.00
  292. GB/T 28712.4-2023Types and basic parameters of heat exchangers—Part 4: Thermo-siphon reboilers$210.00
  293. GB/T 28712.5-2023Types and basic parameters of heat exchangers—Part 5: Spiral heat exchangers$240.00
  294. GB/T 28712.6-2023Types and basic parameters of heat exchangers—Part 6: Air cooled heat exchanger$950.00
  295. GB/T 28713-2023Enhanced heat transfer tubes used in heat exchanger$485.00
  296. GB/T 28713.1-2012Enhanced heat transfer tubes used in heat exchanger$85.00
  297. GB/T 28715-2012Determination of acidic and neutral protease activity in feed additives - Spetrophotometric method$125.00
  298. GB/T 28717-2012Determination of malonaldehyde in feed - High performance liquid chromatography$105.00
  299. GB/T 28718-2012Determination of T-2 toxin in feed - High performance liquid chromatography with immunoaffinity column clean-up$105.00
  300. GB/T 28719-2012Rubber sealing gaskets used in plate heat exchangers$105.00
  301. GB/T 28720-2012General for starch sugar classification$85.00
  302. GB/T 28721-2012Cathodic protection of reinforcing steel in atmospherically exposed concrete structures$315.00
  303. GB/T 28722-2012Determination of iron and lead in amino acids - Atomic absorption spectrometry$135.00
  304. GB/T 28723-2012Determination of purity for chemicals (pharmaceuticals) -- Differential scanning calorimetry (DSC)$145.00
  305. GB/T 28724-2012Determination of melting temperature for chemicals (pharmaceuticals) -- Differential scanning calorimetry (DSC)$85.00
  306. GB/T 28725-2012Cathodic protection for buried prestressed concrete cylinder pipelines$315.00
  307. GB/T 28726-2025Gas analysis - Gas chromatography with helium ionization detector$300.00
  308. GB/T 28727-2025Gas analysis — Determination of the contents of trace sulfur compounds in gases — Gas chromatography with flame photometric detector$180.00
  309. GB/T 28728-2012Determination of the microstructure of solution-polymerized SBR$255.00
  310. GB/T 28729-2025Nitrous oxide$300.00
  311. GB/T 28730-2012Method for preparation of solid biofuels sample$255.00
  312. GB/T 28731-2012Proximate analysis of solid biofuels$195.00
  313. GB/T 28732-2012Determination of total sulfur in solid biofuels$125.00
  314. GB/T 28733-2012Determination of total moisture for solid biofuels$105.00
  315. GB/T 28734-2012Determination of carbon and hydrogen in solid biofuels$165.00
  316. GB/T 28737-2012Controller for solar water heating system (tank volume more than 0.6 m3)$255.00
  317. GB/T 28738-2012Finned built-in heat pipe for all-glass evacuated solar collector tubes$205.00
  318. GB/T 28739-2025Kitchen waste treating and utilizing equipment in catering services$455.00
  319. GB/T 28740-2012Equipment of compost treatment and utilization for manure of poultry and livestock$195.00
  320. GB/T 28741-2012Mobile ranking machine$315.00
  321. GB/T 28742-2025Technical specification for the safety of sewage treatment equipment$210.00
  322. GB/T 28743-2025Sewage treatment vessel equipment - General technical requirements$210.00
  323. GB/T 28744-2012Statistical indicator system of waste-product recyclers$165.00
  324. GB/T 28745-2012Test methods for storage tank of domestic solar water heating system$135.00
  325. GB/T 28746-2012Specification of storage tank of domestic solar water heating system$229.00
  326. GB/T 28747-2012General principles of stipulating assessment indicator system for product of resources recycling$205.00
  327. GB/T 28748-2012Metadata for gems and jewelry products$650.00
  328. GB/T 28749-2012The method of drawing energy balance network diagram for enterprises$85.00
  329. GB/T 28750-2012General technical rules for measurement and verification of energy savings$105.00
  330. GB/T 28751-2012The method of editing energy balance table for enterprises$145.00
  331. GB/T 28752-2012Test method for the lateral spread of flame on building and transport products in the vertical configuration$415.00
  332. GB/T 28753-2012Determining of coalbed gas content - Heating desorption$195.00
  333. GB/T 28754-2012Guidance for utilization of coal bed methane (coal mine gas)$85.00
  334. GB/T 28756-2025Cable cranes$495.00
  335. GB/T 28757-2012Cranes other than mobile, tower and floating cranes and tower cranes -- General requirements for stability$85.00
  336. GB/T 28758-2012Cranes -- Competency requirements for crane inspectors$125.00
  337. GB/T 28761-2012Metalforming machinery - Method of type designation$525.00
  338. GB/T 28762-2012NC shears$225.00
  339. GB/T 28763-2012Numerically controlled tube bending machine$315.00
  340. GB/T 28765-2012Packaging material - Test methods for organic vapor transmission rate for plastic film, sheet and package$155.00
  341. GB/T 28766-2018Natural gas -- Performance evaluation for analytical systems$415.00
  342. GB/T 28767-2012Classification of automotive gear lubricants$55.00
  343. GB/T 28768-2012Determination of hydrocarbon types and oxygenates in automotive-motor gasoline by multidimensional gas chromatography method$345.00
  344. GB/T 28769-2012Test method for determination of free glycerol content in Fatty Acid Methyl Esters (FAME) by gas chromatography$155.00
  345. GB/T 28770-2012Test methods for solders$245.00
  346. GB/T 28771-2012Automatic welding equipment for profile steel$165.00
  347. GB/T 28774-2021Synchronous belt drives - Belts with T trapezoidal profile system$210.00
  348. GB/T 28775-2021Synchronous belt drives - Pulley with T trapezoidal profile system$225.00
  349. GB/T 28776-2012Steel gate valves, globe valves and check valves for the petroleum and natural gas industries (DN 100 and smaller)$375.00
  350. GB/T 28777-2012Process valve qualification procedure for the petrochemical industry$195.00
  351. GB/T 28779-2012Rolling bearings - Insert bearing units - Classification$255.00
  352. GB/T 28780-2024Safety of machinery - Integral lighting system used for machines$300.00
  353. GB/T 28781-2012Pneumatic fluid power -- Compact cylinders, bores form 20mm to 100mm -- Basic dimensions and mounting dimensions$165.00
  354. GB/T 28782.1-2023Hydraulic fluid power - Measurement techniques - Part 1: General principles$330.00
  355. GB/T 28782.2-2023Hydraulic fluid power - Measurement techniques - Part 2: Measurement of average steady-state pressure in a closed conduit$150.00
  356. GB/T 28783-2012Pneumatic fluid power -- Standard reference atmosphere$195.00
  357. GB/T 28784.2-2014Mechanical vibration -- Measurement of vibration on ships -- Part 2: Measurement of structural vibration$125.00
  358. GB/T 28784.3-2012Mechanical vibration -- Measurement of vibration on ships -- Part 3: Pre-installation vibration measurement of shipboard equipment$375.00
  359. GB/T 28784.4-2017Mechanical vibration -- Measurement of vibration on ships -- Part 4: Measurement and evaluation of vibration of the ship propulsion machinery$295.00
  360. GB/T 28784.5-2022Mechanical vibration - Measurement of vibration on ships - Part 5: Guidelines for measurement, evaluation and reporting of vibration with regard to habitability on passenger and merchant ships$195.00
  361. GB/T 28785-2012Mechanical vibration -- Criteria and safeguards for the in-situ balancing of medium and large rotors$315.00
  362. GB/T 28786-2012Vacuum technology - Methods of bonding strength measurement for vacuum coating film - Measuring adhesion by tape test$165.00
  363. GB/T 28788-2012Road geography data collection and quality control$435.00
  364. GB/T 28789-2025Video traffic incident detector$360.00
  365. GB/T 28791-2024Signs of rolling stock - Vehicles and multiple units$1,140.00
  366. GB/T 28792-2012Technical specification on radio communication for train control$315.00
  367. GB/T 28794-2012Technical requirements of oily-water separation system fishing vessel$85.00
  368. GB/T 28796-2021Craft crystal decoration$150.00
  369. GB/T 28797-2012Indoor plastic trash bin$55.00
  370. GB/T 28798-2012Plastic storage box$169.00
  371. GB/T 28799.1-2012Plastics piping systems for hot and cold water installations -- Polyethylene of raised temperature resistance (PE-RT) -- Part 1: General$125.00
  372. GB/T 28799.2-2020Heat-resistant polyethylene (PE-RT) piping system for hot and cold water - Part 2: Pipes$240.00
  373. GB/T 28799.3-2020Heat-resistant polyethylene (PE-RT) piping system for hot and cold water - Part 3: Fittings$240.00
  374. GB/T 28799.4-2024Polyethylene of raised temperature resistance (PE-RT) piping systems for hot and cold water - Part 4: Valves$345.00
  375. GB/T 28799.5-2020Heat-resistant polyethylene (PE-RT) piping system for hot and cold water - Part 5: System suitability$115.00
  376. GB/T 28800-2012Air gun pellets$85.00
  377. GB/T 28801-2012Air guns$285.00
  378. GB/T 28802-2012General technical requirements for jade carving$125.00
  379. GB/T 28803.1-2025Consumer product safety risk management — Part 1: Directives$255.00
  380. GB/T 28804-2012Copper-free silver mirror on flat glass$375.00
  381. GB/T 28807-2012Railway applications -- Compatibility between rolling stock and train detection systems$465.00
  382. GB/T 28807.2-2017Railway applications -- Compatibility between rolling stock and train detection systems -- Part 2: Compatibility with track circuits$355.00
  383. GB/T 28807.3-2025Railway applications — Compatibility between rolling stock and train detection systems — Part 3: Compatibility with axle counters$545.00
  384. GB/T 28808-2021Railway applications - Communication, signaling and processing systems - Software for railway control and protection systems$1,295.00
  385. GB/T 28809-2012Railway applications -- Communication, signaling and processing systems -- Safety related electronic systems for signaling$1,100.00
  386. GB/T 28810-2012High-voltage switchgear and controlgear -- The use of electronic and associated technologies in auxiliary equipment of switchgear and controlgear$415.00
  387. GB/T 28811-2012High-voltage switchgear and controlgear -- Digital interfaces based on IEC 61850$500.00
  388. GB/T 28812-2012Steam turbine specification for geothermal power station$255.00
  389. GB/T 28813-2012Operating code for ±800kV DC overhead transmission line$375.00
  390. GB/T 28814-2012The guide for composition of the ±800kV converter station operating code$195.00
  391. GB/T 28815-2025Technical requirements for the master station of a real-time dynamic monitoring system of a power system$460.00
  392. GB/T 28816-2020Fuel cell--Terminology$445.00
  393. GB/T 28817-2022Single cell test methods for polymer electrolyte fuel cell (PEFC)$800.00
  394. GB/T 28819-2023Aluminium alloy enclosures for gas-filled high-voltage switchgear$500.00
  395. GB/T 28821-2012Technical requirements of relational database management system$465.00
  396. GB/T 28822-2012General specification for the exchange format of electronic business cards$465.00
  397. GB/T 28824-2012Information technology - Learning,education and training - Digital rights expression language$500.00
  398. GB/T 28825-2012Information technology - Learning, education and training - Classification code of learning object$500.00
  399. GB/T 28826.1-2012Information technology -- Common biometric exchange formats framework -- Part 1: Data element specification$465.00
  400. GB/T 28826.2-2020Information technology—Common biometric exchange formats framework—Part 2:Procedures for the operation of the biometric registration authority$210.00
  401. GB/T 28826.3-2023Information technology - Common biometric exchange formats framework - Part 3: Patron format specifications$2,195.00
  402. GB/T 28826.4-2022Information technology - Common biometric exchange formats framework - Part 4: Security block format specifications$480.00
  403. GB/T 28827.1-2022Information technology service—Operations and maintenance—Part 1: General requirements$360.00
  404. GB/T 28827.2-2012Information technology service - Operations and maintenance - Part 2: Delivery specification$255.00
  405. GB/T 28827.3-2012Information technology service - Operations and maintenance - Part 3: Emergency response specification$255.00
  406. GB/T 28827.4-2019Information technology service—Operations and maintenance—Part 4: Service requirements for data center$590.00
  407. GB/T 28827.6-2019Information technology service—Operations and maintenance—Part 6: Application system service requirements$205.00
  408. GB/T 28827.7-2022Information technology service—Operations and maintenance—Part 7: Cost measurement specification$455.00
  409. GB/T 28827.8-2022Information technology service—Operations and maintenance—Part 8: Hospital information system management requirements$210.00
  410. GB/T 28829-2012Requirements for supermarket classification$195.00
  411. GB/T 28830-2012Franchise glossary$135.00
  412. GB/T 28831-2012Code of practice for the preparation of international freight forwarding documents$103.00
  413. GB/T 28832-2012Requirments on services of preparation for international freight forwarding documents$375.00
  414. GB/T 28833-2012Insuring and claiming procedures for international logistics legal liability insurance$315.00
  415. GB/T 28834-2012International logistics legal liability insurance - Basic elements of international freight forwarding bill of lading legal liability insurance$153.00
  416. GB/T 28835-2012International logistics legal liability insurance - Basic elements of international freight forwarding legal liability insurance$175.00
  417. GB/T 28836-2012Credit evaluating index elements for international logistics enterprises$255.00
  418. GB/T 28837-2012Service quality requirements for the quarantine treatment of wood packing material$175.00
  419. GB/T 28838-2012Guideline on heat treatment for wood packing material$285.00
  420. GB/T 28839-2012Declaration rules for the wood packing material of imported and exported cargo$153.00
  421. GB/T 28841-2012Regulations of service operation for household electronic and electrical appliances maintenance industry$225.00
  422. GB/T 28842-2021Operation specifications for medicinal product cold chain logistics$150.00
  423. GB/T 28843-2024Management requirements for traceability in food cold chain logistics$240.00
  424. GB/T 28844-2012Sizes for knitted sportwear$560.00
  425. GB/T 28845-2025Silk fabrics for neckties$255.00
  426. GB/T 28846-2022Red scarf$135.00
  427. GB/T 28847.1-2012Building automation and control systems - Part 1: Summarize$105.00
  428. GB/T 28847.2-2012Building automation and control systems -- Part 2: Hardware$315.00
  429. GB/T 28847.3-2012Building automation and control systems -- Part 3: Function$405.00
  430. GB/T 28847.5-2021Building automation and control systems - Part 5: Data communication protocol$15,950.00
  431. GB/T 28847.6-2023Building automation and control systems - Part 6: Data communication protocol conformance testing$11,900.00
  432. GB/T 28849-2012SX series experimental box-shape resistance furnace$255.00
  433. GB/T 28851-2012Specifications for refrigerated incubators$225.00
  434. GB/T 28852-2012Specifications for climatic chambers for biological applications$345.00
  435. GB/T 28854-2012Silicon capacitive pressure sensor$435.00
  436. GB/T 28855-2012Silicon-based pressure sensors$435.00
  437. GB/T 28856-2012Silicon piezoresistive pressure-sensitive chip$255.00
  438. GB/T 28857-2025Differential transformer displacement transducer$300.00
  439. GB/T 28858-2012Encapsulating material of phenolic for electronic components$165.00
  440. GB/T 28859-2025Epoxy powder encapsulation material for electronic packaging$240.00
  441. GB/T 28860-2012Test method for the determination of get time of encapsulating material of powdered epoxy$75.00
  442. GB/T 28861-2012Test method for measuring melt fluidity of encapsulating material of powdered epoxy$85.00
  443. GB/T 28862-2012Method for processing sample of encapsulating material of powdered epoxy$75.00
  444. GB/T 28863-2012Sampling inspection procedures for commodity applying to the case with prior information of quality$255.00
  445. GB/T 28864.1-2012Terms and nomenclature for cores made of magnetically soft ferrites -- Part 1: Terms used for physical irregularities$315.00
  446. GB/T 28864.2-2012Terms and nomenclature for cores made of magnetically soft ferrites -- Part 2: Reference of dimensions$95.00
  447. GB/T 28866-2012Characteristic parameters of stand-alone photovoltaic (PV) systems$165.00
  448. GB/T 28867-2012Secondary cells and batteries containing alkaline or other non-acid electrolytes -- Sealed nickel-cadmium prismatic rechargeable single cells$195.00
  449. GB/T 28868-2012Dimensions of uncoated ring cores of magnetic oxides$90.00
  450. GB/T 28869.1-2012Cores made of soft magnetic materials -- Measuring methods -- Part 1: Generic specification$85.00
  451. GB/T 28869.2-2023Cores made of soft magnetic materials - Measuring methods - Part 2: Magnetic properties at low excitation level$420.00
  452. GB/T 28869.3-2023Cores made of soft magnetic materials - Measuring methods - Part 3: Magnetic properties at high excitation level$545.00
  453. GB/T 28871-2012Critical current measurement -- DC critical current of Nb3Sn composite superconductors$375.00
  454. GB/T 28872-2012Testing method of magnetic lightly-striking mode atomic force microscope for nanotopography of living cells$95.00
  455. GB/T 28873-2012General guide of environmental scanning electron microscopy for biological effects on topography induced by nanoparticles$105.00
  456. GB/T 28874-2012Specification for the levels of data products from space science experiments$165.00
  457. GB/T 28875-2012Space science experiments - Requirements for biological samples$165.00
  458. GB/T 28876.1-2012Flammability of materials in space experimental facilities - Part 1: Requirements$145.00
  459. GB/T 28876.2-2014Flammability of materials in space experimental facilities—Part 2: Test methods$375.00
  460. GB/T 28877-2012General requirements for space science experiments$165.00
  461. GB/T 28878.1-2012Specification of the rotating component in space science experiments - Part 1: General requirements of design$375.00
  462. GB/T 28878.10-2019Specification of the rotating component in space science experiments—Part 10: Storage and reinspection$75.00
  463. GB/T 28878.2-2016Specification of the rotating component in space science experiments—Part 2: Requirements of lubrication design$235.00
  464. GB/T 28878.3-2016Specification of the rotating component in space science experiments—Part 3: Ball bearing acceptance$135.00
  465. GB/T 28878.4-2016Specification of the rotating component in space science experiments—Part 4: Lubrication oil acceptance$165.00
  466. GB/T 28878.5-2016Specification of the rotating component in space science experiments—Part 5: Motors acceptance$205.00
  467. GB/T 28878.6-2016Specification of the rotating component in space science experiments—Part 6: Property testing$145.00
  468. GB/T 28878.7-2016Specification of the rotating component in space science experiments—Part 7: Reliability test$215.00
  469. GB/T 28878.8-2016Specification of the rotating component in space science experiments—Part 8: Assemble$145.00
  470. GB/T 28878.9-2019Specification of the rotating component in space science experiments—Part 9: Delivery$75.00
  471. GB/T 28879-2022Nomenclature of model for electrotechnical instruments$300.00
  472. GB/T 28880-2012Non-destructive testing -- Evaluating performance characteristics of ultrasonic pulse-echo testing systems without the use of electronic measurement instruments$375.00
  473. GB/T 28882-2012Rare earth carbonate of ion-absorpted type rare earth ore$89.00
  474. GB/T 28884-2024Seamless steel tubes for large capacity gas cylinders$255.00
  475. GB/T 28885-2025Directives for gas service$360.00
  476. GB/T 28888-2026Technical requirements for gas monitoring in sewers and septic tanks$360.00
  477. GB/T 28889-2012Test method for In-plane shear properties of composite materials$185.00
  478. GB/T 28890-2012Terms of building ceramic machinery$435.00
  479. GB/T 28892-2024Surface chemical analysis - X-ray photoelectron spectroscopy - Description of selected instrumental performance parameters$165.00
  480. GB/T 28893-2024Surface chemical analysis - Auger electron spectroscopy and X-ray photoelectron spectroscopy - Methods used to determine peak intensities and information required when reporting results$270.00
  481. GB/T 28894-2012Surface chemical analysis -- Handling of specimens prior to analysis$165.00
  482. GB/T 28895-2012Protective Clothing - Performance Requirements of Oil Repellency, Soil Release, Antistatic Clothing$155.00
  483. GB/T 28897-2021Steel-plastic compound pipes and fittings for fluid service$530.00
  484. GB/T 28898-2012Evaluation of uncertainty in chemical composition analysis for metallurgical materials$1,250.00
  485. GB/T 28900-2022Test methods of steel for reinforcement of concrete$285.00
  486. GB/T 28901-2012Analysis of coke-oven gas composition by gas chromatography$105.00
  487. GB/T 28902-2012Electvolytic polishing for stainless steel wires$135.00
  488. GB/T 28903-2012Stainless steel wire for spoike$105.00
  489. GB/T 28904-2012Steel strips for steel-aluminum composite$125.00
  490. GB/T 28905-2022Low yield strength steel plate for construction$150.00
  491. GB/T 28906-2025Hot-rolled steel wire rod for cold heading$420.00
  492. GB/T 28907-2021Sulfuric acid dew-point corrosion resistance steel plate and strip$150.00
  493. GB/T 28908-2026High-purity chromium metal$215.00
  494. GB/T 28909-2012Extra-high strength structural steel plates in the heat-treatment condition$55.00
  495. GB/T 28910-2026Measurement methods for the rheological properties of crude oil$480.00
  496. GB/T 28911-2012Vocabulary of drilling engineering for the petroleum and natural gas$700.00
  497. GB/T 28912-2025Test method for two phase relative permeability in rock$495.00
  498. GB/T 28913-2012Terminology of adult education and training service$315.00
  499. GB/T 28914-2012Evaluation of training worker's service capability in abult education and training$135.00
  500. GB/T 28915-2012General service guideline for adult education and training organizations$195.00
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