Guides

Plain-English context for GB standards metadata.

These pages explain how to read records on this site and how to verify official applicability.

What is a GB standard?GB standards are Chinese national standards. This site focuses on current and upcoming mandatory GB records and the public metadata needed to triage compliance impact.Mandatory vs recommendedMandatory GB standards use GB. Recommended national standards usually use GB/T. Export teams should not assume both categories create the same obligations.How to read a standard numberA code such as GB 4943.1-2022 identifies the national standard category, sequence or part number, and publication year.How to verify official sourcesUse this site as a navigation and explanation layer, then verify applicability against official Chinese source pages and competent authorities.GB and CCC relationshipCCC certification often references GB standards, but a GB record alone does not determine whether a product needs CCC certification.