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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Technical code of practice for identification and evaluation of eggplant resistance to verticillium wilt
Standard published on 30.4.2026
Selected format:Plastics—Unsaturated-polyester powder moulding compounds (UP-PMCs)—Part 1: Designation system and basis for specifications
Standard published on 31.3.2026
Selected format:Plastics—Unsaturated-polyester powder moulding compounds (UP-PMCs)—Part 2: Preparation of test specimens and determination of properties
Standard published on 31.3.2026
Selected format:Plastics—Unsaturated-polyester powder moulding compounds (UP-PMCs)—Part 3:Requirements for selected moulding compounds
Standard published on 31.3.2026
Selected format:Plastics—Epoxy resins—Determination of degree of crosslinking of crosslinked epoxy resins by Fourier Transform Infrared (FTIR) Spectroscopy
Standard published on 31.3.2026
Selected format:Technical guidelines for directional recycling of waste lithium battery chemicals
Standard published on 31.3.2026
Selected format:Flue gas condensing heat recovery unit for gas-fired heating boilers
Standard published on 31.3.2026
Selected format:Evaluation requirements of energy-saving and carbon-reduction technology for flat glass industry
Standard published on 31.3.2026
Selected format:Evaluation requirements of energy-saving and carbon-reduction technology for architecture and sanitary ceramic industry
Standard published on 31.3.2026
Selected format:Precast concrete components vibration platform
Standard published on 31.3.2026
Selected format:Latest update: 2026-11-06 (Number of items: 2 209 112)
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