China National Standards
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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 5179-2009 Acceptance Specification of Network Management System for Optical Fiber Cable Telecommunication Project

    China Telecommunication - YD Standards
    YD/T 5176-2009 Acceptance Specification for Local Optical Fiber Cable Network of Wavelength Division Multiplexing System

    China Telecommunication - YD Standards
    YD/T 5175-2009 Acceptance Specification of Engineering for Lightning Protection and Earthing for Telecommunication Bureaus (Stations

    China Telecommunication - YD Standards
    YD/T 5171-2009 Provisional Acceptance Specification for Individuation Ring Back Tone Platform

    China Telecommunication - YD Standards
    YD/T 5170-2009 Provisional Specification of Engineering Design for Individuation Ring Back Tone Platform

    China Telecommunication - YD Standards
    YD/T 5169-2009 Acceptance Specification for Mobile WAP Gateway Engineering

    China Telecommunication - YD Standards
    YD/T 5168-2009 Specification of Engineering Design for Mobile WAP Gateway

    China Telecommunication - YD Standards
    YD/T 5166-2009 Specification of Engineering Design for Local Network Optical Fiber Cable Wavelength Division Multiplexing Transmission System

    China Telecommunication - YD Standards
    YD/T 5164-2009 Acceptance Specification for Call Center Engineering

    China Telecommunication - YD Standards
    YD/T 5163-2009 Specification of Engineering Design for Call Center

    China Telecommunication - YD Standards
    YD 5039-2009 Provisional Specifications on Enironment Protection for Engineering Construction of Telecommunications

    China Telecommunication - YD Standards
    YD 5178-2009 Volume Drawing of Manhole and Handhole for Communication Conduit Engineering

    China Telecommunication - YD Standards
    YD 5177-2009 Provisional Specification of Design for Internet Network Security

    China Telecommunication - YD Standards
    YD 5167-2009 Temporary Specification of Engineering Design for Noise Control of Diesel Generator for Communication

    China Telecommunication - YD Standards
    SN/T 2291-2009 Determination of dextromethorphan hydromide in cosmetics for import. Liquid chromatography method

    China Import Export Inspection - YD Standards
    SN/T 1877.6-2009 Determination of polycyclic aromatic hydrocarbons in coatings,printing ink and its products

    China Import Export Inspection - YD Standards
    SN/T 1877.5-2009 Determination of polycyclic aromatic hydrocarbons in metalware surface

    China Import Export Inspection - YD Standards
    YD/T 5182-2009 Provisional Specification of Mobile Basestation Design for The Third Generation

    China Telecommunication - YD Standards
    HG/T 4089-2009 Hydrostatic pressure test method for equipments lined with plastics

    China Chemical Industry - YD Standards
    YD/T 5172-2009 Provisional Specification on Engineering Acceptance for 800MHz/2GHz CDMA2000 Digital Cellular Mobile Communication System

    China Telecommunication - YD Standards
    YD 5110-2009 Temporary Specifications of Engineering Design for 800MHz/2GHz cdma2000 Digital Cellular Mobile Communication System

    China Telecommunication - YD Standards
    DL/T 5212.6-2009 Power Construction Quality Acceptance and evaluation procedures - Part 6: Water and hydrogen production equipment and systems

    China Electricity & Power - YD Standards
    JJG 092-2009 Le Chatelier Flask for Determination Density of Hydraulic Cement

    China Metrological - YD Standards
    JJF 068-2009 YDY motor stall torque measuring instrument calibration specification

    China Metrological - YD Standards
    JJG(JT)092-2009 Le Chatelier Flask for Determination Density of Hydraulic Cement

    China Metrological - YD Standards
    AQ 2018-2008 Specification for public safety protection distance of natural gas well involving hydrogen sulfide

    China Safety & Security - YD Standards
    AQ 2017-2008 Classification method of public hazard levels for natural gas well involving hydrogen sulfide

    China Safety & Security - YD Standards
    AQ 2016-2008 Specification for ignition time of out of control on wellhead of natural gas well involving hydrogen sulfide

    China Safety & Security - YD Standards
    SN/T 2201-2008 Food contact materials. Auxiliary materials. Determination of polycyclic aromatic hydrocarbons (PAHs) in ink. Gas chromatography/mass spectrometry

    China Import Export Inspection - YD Standards
    SN/T 2195-2008 Determination of released formaldehyde in textile. Nodestructive inspection

    China Import Export Inspection - YD Standards

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