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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
Lifting appliances—Technical specifications for welding of steel structures
Execute Date: february 2027
Standard published on 2.7.2026
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Micro-electromechanical system (MEMS) technology—Test method for coefficient of linear thermal expansion of micro-electromechanical solid-state material
Execute Date: november 2026
Standard published on 2.7.2026
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Tools for pressing and moulding—Machined plates—Part 1:Machined plates for press tools
Execute Date: february 2027
Standard published on 2.7.2026
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Tools for pressing and moulding—Machined plates—Part 2:Machined plates for moulds
Execute Date: february 2027
Standard published on 2.7.2026
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Micro-electromechanical systems (MEMS) technology—Test method of electrical characteristics after cyclic bending deformation for flexible micro-electromechanical devices
Execute Date: february 2027
Standard published on 2.7.2026
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Micro-electro mechanical systemsMEMStechnology—Technical specification of automotive MEMS semiconductor gas sensor
Execute Date: february 2027
Standard published on 2.7.2026
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Connections for pneumatic fluid power—Plastic hoses dimensions and specification
Execute Date: february 2027
Standard published on 2.7.2026
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Guide for the evaluating of thermal performance index and optimizing of thermal performance for gas-steam combined cycle power generation unit
Execute Date: february 2027
Standard published on 2.7.2026
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Non-destructive testing—Magnetic-acoustic testing method for ferromagnetic materials
Execute Date: february 2027
Standard published on 2.7.2026
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Geometrical product specifications (GPS)—Association
Execute Date: november 2026
Standard published on 2.7.2026
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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