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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YD/T 3421.3-2021 Intelligent Gateway for Broadband Clients Based on Public Telecommunication Network Part 3: Technical Requirements for Gateway Management Platform

    China Telecommunication Industry - YD Standards
    YD/T 3840-2021 Security Technical Requirements for Broadband Trunking Communication (B-TrunC) System (Phase II) Based on LTE Technology

    China Telecommunication Industry - YD Standards
    YD/T 3839-2021 Overall technical requirements for broadband trunking communication (B-TrunC) system (second stage) based on LTE technology

    China Telecommunication Industry - YD Standards
    YD/T 3838-2021 Evaluation Rules for Green Factories in the Communication Manufacturing Industry

    China Telecommunication Industry - YD Standards
    YD/T 3837-2021 Information and Communication Industry Corporate Social Responsibility Evaluation System

    China Telecommunication Industry - YD Standards
    YD/T 3836-2021 Information and Communication Industry Corporate Social Responsibility Management System Requirements

    China Telecommunication Industry - YD Standards
    YD/T 3835.1-2021 Quantum Key Distribution (QKD) System Test Method Part 1: QKD System Based on Decoy BB84 Protocol

    China Telecommunication Industry - YD Standards
    YD/T 3834.1-2021 Quantum Key Distribution (QKD) System Technical Requirements Part 1: QKD System Based on Decoy BB84 Protocol

    China Telecommunication Industry - YD Standards
    YD/T 3833-2021 Optical hybrid cable for wireless communication small base station

    China Telecommunication Industry - YD Standards
    YD/T 1999-2021 Lightweight self-supporting outdoor optical cable for communication

    China Telecommunication Industry - YD Standards
    YD/T 3832-2021 Flame retardant polyethylene material for communication cable and optical cable

    China Telecommunication Industry - YD Standards
    GH/T 1333-2021 Vacuum low temperature oil bath dehydration equipment

    China Supply and marketing cooperative industry - YD Standards
    GH/T 1328-2021 Hydroxypropyl acacia polysaccharide for daily use

    China Supply and marketing cooperative industry - YD Standards
    GH/T 1174-2021 Dehydrated horseradish

    China Supply and marketing cooperative industry - YD Standards
    DZ/T 0053-2021 Technical specification for hydraulic percussion rotary drilling

    China Geology & Mineralogy Industry - YD Standards
    DL/T 2447-2021 Technical regulations for safety inspection of flood-proof workshops of hydropower stations{咎}

    China Electricity Industry - YD Standards
    DL/T 1474！2021 Measurement and evaluation method of hydrophobicity of high voltage polymer insulators for AC and DC systems

    China Electricity Industry - YD Standards
    NB/T 10897！2021 Hydrocarbon-based biodiesel

    China Energy Industry - YD Standards
    NB/T 10868-2021 Specifications for hydraulic model test of flood discharge and atomization in hydropower projects

    China Energy Industry - YD Standards
    NB/T 10859-2021 Technical conditions of on-line monitoring system for metal structure equipment status in hydropower projects

    China Energy Industry - YD Standards
    NB/T 10875-2021 Watershed Hydropower Emergency Plan and Requirements

    China Energy Industry - YD Standards
    NB/T 10883.4！2021 Drawing Standards for Hydropower Engineering Part 4: Hydraulic Machinery

    China Energy Industry - YD Standards
    NB/T 10881！2021 Code for design of automatic fire alarm system for hydroelectric power plants

    China Energy Industry - YD Standards
    NB/T 10880！2021 Specifications for centralized monitoring engineering design of cascade hydropower plants

    China Energy Industry - YD Standards
    NB/T 10879！2021 Specifications for design of computer monitoring system for hydroelectric power plants

    China Energy Industry - YD Standards
    NB/T 10878！2021 Specifications for electromechanical design of hydroelectric power plants

    China Energy Industry - YD Standards
    NB/T 10877！2021 Specifications for Compilation of Compensation Expenses for Land Expropriation and Resettlement of Hydropower Projects (Estimates)

    China Energy Industry - YD Standards
    NB/T 10876！2021 Specifications for Planning and Design of Land Acquisition and Resettlement for Hydropower Project Construction

    China Energy Industry - YD Standards
    NB/T 10874！2021 Regulations for the preparation of ecological dispatching schemes for hydropower projects

    China Energy Industry - YD Standards
    NB/T 10873-2021 Procedures for Compilation of Implementation Plan for Ecological Environment Monitoring in Hydropower Development Basin

    China Energy Industry - YD Standards

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