YD/T 6943-2026Digital twin cities - General rules for digital entity metadata (English PDF)

YD/T 6943-2026 is the English-translated version of 数字孪生城市 数字实体元数据总则.

YD/T 6943-2026 sets out general rules for the metadata of digital entities in digital twin cities. It specifies how a digital entity is expressed and what data requirements apply to it.

The document applies to building the data foundation of a digital twin city and to the applications that rest on it. Those who plan and operate city data platforms, software developers and system integrators working on digital twin projects can use it as a common basis for describing entities. It is a basic industry standard and voluntary, as the /T in the code shows, approved by the Ministry of Industry and Information Technology. It was issued on 1 June 2026 and takes effect on 1 September 2026. It is a new standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 207 pages — is available in the English PDF.

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