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  •  China "GB" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GB/T 40324-2021 Non-destructive testing！Testing method for large diameter round bars by focused ultrasound

    China National - GB Standards
    GB/T 40310.2-2021 Ball splines！Part 2:Dynamic and static load ratings and rating life

    China National - GB Standards
    GB/T 40310.1-2021 Ball splines！Part 1:General characteristics and requirements

    China National - GB Standards
    GB/T 40307-2021 Non-destructive testing！Test method for texture by neutron diffraction

    China National - GB Standards
    GB/T 40306-2021 Packaging！Accessible design！Ease of opening

    China National - GB Standards
    GB/Z 40295-2021 Power performance assessment of electricity producing wave energy converters

    China National - GB Standards
    GB/T 40294-2021 Methods for determining electrically excited synchronous machine quantities from tests

    China National - GB Standards
    GB/T 40292-2021 Cross-border electronic commerce！Specification for electronic waybill

    China National - GB Standards
    GB/T 40291-2021 Nuclear instrumentation！High-purity germanium crystals for radiation detectors！Measurement methods of basic characteristics

    China National - GB Standards
    GB/T 40290-2021 Cross-border electronic commerce！Specification for import commodity information release

    China National - GB Standards
    GB/T 40289-2021 Technical requirement of power control system for photovoltaic power station

    China National - GB Standards
    GB/T 40288-2021 Ergonomics of the thermal environment！Vocabulary and symbols

    China National - GB Standards
    GB/T 40287-2021 General framework of information and communication for electric internet of things

    China National - GB Standards
    GB/T 40286-2021 The performance testing method of bi-circulation unit for low-temperature waste heat recovery and utilization

    China National - GB Standards
    GB/T 40285-2021 Technical specification for dam safety analysis and evaluation system of smart hydropower plant

    China National - GB Standards
    GB/T 40284-2021 Guide for energy saving test of waste heat recovery system in power plant

    China National - GB Standards
    GB/T 40278-2021 Paper and board！Accelerated ageing (exposure to light)

    China National - GB Standards
    GB/T 40277-2021 Paper,board and pulps！Measurement of diffuse blue reflectance factor(ISO brightness)！Indoor daylight conditions

    China National - GB Standards
    GB/T 40276-2021 Soft nonwoven towels

    China National - GB Standards
    GB/T 40275-2021 Textiles！Quantitative analysis of bicomponent fiber！Melting microscopy method

    China National - GB Standards
    GB/T 40274-2021 Tissue paper！Assessment and monitoring guidelines to quality safety condition of production process

    China National - GB Standards
    GB/T 40273-2021 Fibre ropes and cordage！Vocabulary

    China National - GB Standards
    GB/T 40272-2021 Paper,board,pulps and cellulose nanomaterials！Determination of acid-soluble magnesium,calcium,manganese,iron,copper,sodium and potassium

    China National - GB Standards
    GB/T 40271-2021 Test method for identification of textile fibers！Differential scanningcalorimetry(DSC)

    China National - GB Standards
    GB/T 40270-2021 Textiles！General technical requirements based on consumer experience

    China National - GB Standards
    GB/T 40269-2021 Absorbent sanitary paper products！Assessment and monitoring guidelines to quality safety condition of production process

    China National - GB Standards
    GB/T 40268-2021 Determination of performance on immunomagnetic material

    China National - GB Standards
    GB/T 40267-2021 Determination of Levodopa in plant derived products！High performance liquid chromatography

    China National - GB Standards
    GB/T 40266-2021 Quality general rules of oxides barrier transparent plastics laminated films and pouches for food packaging

    China National - GB Standards
    GB/T 40265-2021 General rules for determination of enzyme immunoassay antibodies

    China National - GB Standards

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