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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 2953-2015 (Access to energy-saving equipment GPON system parameters and test methods)

    China Telecommunication - YD Standards
    YD/T 2952-2015 (Access to energy-saving equipment EPON system parameters and test methods)

    China Telecommunication - YD Standards
    YD/T 2951-2015 (Access network technical requirements of a multi-line dynamic spectrum management)

    China Telecommunication - YD Standards
    YD/T 2950-2015 (5GHz Wireless Access System Dynamic Frequency Selection (DFS) technology requirements and test methods)

    China Telecommunication - YD Standards
    YD/T 2947-2015 (Communications room with cable management bracket and alignment ladder)

    China Telecommunication - YD Standards
    YD/T 2908-2015 (IPSec authentication key storage requirements are based on the Domain Name System (DNS) IP Security protocol)

    China Telecommunication - YD Standards
    YD/T 1624.2-2015 (Communications Systems User outside the room - Part 2: integrated fixed tower room)

    China Telecommunication - YD Standards
    YD/T 1624.1-2015 (Communications Systems User outside the room - Part 1: Fixed stand-alone room)

    China Telecommunication - YD Standards
    YD/T 1353-2015 (High-speed optical communication light detector - preamplifier assembly technical requirements and test methods)

    China Telecommunication - YD Standards
    YD/T 2980-2015 (Fixed network voice service billing system metering performance technical requirements and test methods based on IMS)

    China Telecommunication - YD Standards
    SN/T 4318-2015 (Food exports coumarin, 6-methyl coumarin, dihydrocoumarin, 7-methoxy-coumarin, acenocoumarol, 7-ethoxy-4-methyl coumarin content Determination of liquid chromatography - mass spectrometry/mass spectrometry)

    China Import Export Inspection - YD Standards
    SN/T 1395-2015 (Avian chlamydiosis quarantine Technical Specifications)

    China Import Export Inspection - YD Standards
    JTS 145-2015 (Port and waterway Hydrological Practices)

    China Highway & Transportation - YD Standards
    QC/T 77-2015 Specifications and bench test methods of automobile hydraulic brake wheel cylinder

    China Automobile & Vehicle industry - YD Standards
    QC/T 1012-2015 Technical requirements and determination for motor vehicles. hydraulic power steering system cleanliness

    China Automobile & Vehicle industry - YD Standards
    QC/T 1011-2015 Technical requirements and bench test methods for hydraulic air-assistant system master cylinder of clutch

    China Automobile & Vehicle industry - YD Standards
    QC/T 1010-2015 Technical requirements and bench test methods for hydraulic air-assistant system booster of clutch

    China Automobile & Vehicle industry - YD Standards
    QC/T 1005-2015 Specifications and bench test methods of automobile antilock braking system electromagnetic-hydraulic modulator

    China Automobile & Vehicle industry - YD Standards
    SH/T 1798-2015 1-Hexene for industrial use. Determination of purity and hydrocarbon impurities. Gas chromatographic method

    China Petrochemical Industry - YD Standards
    SH/T 1790-2015 Cracking C5 fraction for industrial use. Determination of hydrocarbon components. Gas chromatographic method

    China Petrochemical Industry - YD Standards
    SH/T 1786-2015 (Industrial isopentenyl purity and hydrocarbon impurities - Gas chromatographic method)

    China Petrochemical Industry - YD Standards
    SH/T 1782-2015 (Industrial isoprene purity and hydrocarbon impurities - Gas chromatographic method)

    China Petrochemical Industry - YD Standards
    SH/T 1141-2015 (Industrial carbon four cracking hydrocarbon composition determined by gas chromatography)

    China Petrochemical Industry - YD Standards
    HG/T 4864-2015 Test method of activity for C02 dehydrogenation catalysts in urea synthesis using

    China Chemical Industry - YD Standards
    HG/T 4834-2015 Sodium hydride for industrial use

    China Chemical Industry - YD Standards
    HG/T 4832-2015 Strontium hydroxide octahydrate for industrial use

    China Chemical Industry - YD Standards
    HG/T 4826-2015 Copper chloride hydroxide for industrial use

    China Chemical Industry - YD Standards
    HG/T 4817-2015 Water treatment chemicals. Dicyandiamide formaldehyde condensate

    China Chemical Industry - YD Standards
    HG/T 4859-2015 Analytical method of chemical composition for carbonyl sulfide hydrolyzed catalysts at room temperature

    China Chemical Industry - YD Standards
    HG/T 4856-2015 Analytical method of chemical composition for nickel series gas phase benzene hydrogenation catalysts

    China Chemical Industry - YD Standards

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