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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
Aluminium and aluminium alloy welding rods and wires
WITHDRAWN published on 31.3.1989
Selected format:Aluminium and aluminium alloy wires and rods
WITHDRAWN published on 16.4.2008
Selected format:Nickel base brazing filler metals
WITHDRAWN published on 31.3.1989
Selected format:Nickel base brazing filler metals
WITHDRAWN published on 26.6.2008
Selected format:Nozzle for high-speed flame cutting
WITHDRAWN published on 1.1.1989
Selected format:Hydraulic vibration generator system
WITHDRAWN published on 1.1.1989
Selected format:Types and basic parameters of GZ electro-magnetic vibratory feeder
WITHDRAWN published on 1.1.1989
Selected format:Thermal test method for gas pass waste heat boiler
WITHDRAWN published on 25.3.1989
Selected format:Parameters for waste heat boiler--Waste heat boiler after glass melting bath
WITHDRAWN published on 1.1.1989
Selected format:Parameters of waste heat boiler--Waste heat boiler for sulphuric acid production based on pyrites
WITHDRAWN published on 1.1.1989
Selected format:Latest update: 2026-04-26 (Number of items: 2 274 794)
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