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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
Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 10:Rigid fuel line in stainless steel
Standard published on 29.8.2025
Selected format:Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 11: Fittings
Standard published on 29.8.2025
Selected format:Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 12: Rigid fuel line in copper and its alloys
Standard published on 29.8.2025
Selected format:Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 13: Tank pressure control regulator
Standard published on 29.8.2025
Selected format:Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 14: Differential pressure fuel content gauge
Standard published on 29.8.2025
Selected format:Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 15: Capacitance fuel content gauge
Standard published on 29.8.2025
Selected format:Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 16: Heat exchanger-vaporizer
Standard published on 29.8.2025
Selected format:Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 17: Natural gas detector
Standard published on 29.8.2025
Selected format:Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 18: Gas temperature sensor
Standard published on 29.8.2025
Selected format:Road vehicles—Liquefied natural gas (LNG) fuel system components—Part 2: Performance and general test methods
Standard published on 29.8.2025
Selected format:Latest update: 2026-09-04 (Number of items: 2 300 131)
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