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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    HB 7117-2014(2017) General requirements for civil aircraft hydraulic systems

    China Aviation Industry - YD Standards
    HB 7471-2013(2017) Design and installation requirements for civil aircraft hydraulic systems HB 7471-1996

    China Aviation Industry - YD Standards
    QB/T 2622-2023 D type hydraulic pulper

    China Light Industry Industry - YD Standards
    DL／T 2601—2023 Debugging Guidelines for Urea Hydrolysis Ammonia Production System in Thermal Power Plants

    China Electricity Industry - YD Standards
    DL／T 2582.6—2023 Operating procedures for public auxiliary equipment of hydropower stations Part 6: Bridge cranes

    China Electricity Industry - YD Standards
    DL／T 2582.5—2023 Operating procedures for public auxiliary equipment of hydropower stations Part 5: Fire protection system

    China Electricity Industry - YD Standards
    DL／T 2582.4—2023 Operating procedures for public auxiliary equipment of hydropower stations Part 4: Heating, ventilation and air conditioning systems

    China Electricity Industry - YD Standards
    DL／T 578—2023 Basic technical conditions of computer monitoring system for hydropower plants

    China Electricity Industry - YD Standards
    YD/T 4448-2023 Overall technical requirements for lightning protection information systems based on the Internet of Things

    China Telecommunication Industry - YD Standards
    YD/T 4447-2023 Technical requirements for livestock IoT terminals oriented to cellular networks

    China Telecommunication Industry - YD Standards
    YD/T 3269-2023 Digital cellular mobile communication terminal supports IPv6 test method

    China Telecommunication Industry - YD Standards
    YD/T 2050-2023 Access network security technical requirements Passive optical network (PON) equipment

    China Telecommunication Industry - YD Standards
    YD/T 4446-2023 Sliced Packet Network (SPN) device testing methods

    China Telecommunication Industry - YD Standards
    YD/T 4445-2023 Enhanced Reference Master Time (ePRTC) Equipment Technical Requirements

    China Telecommunication Industry - YD Standards
    YD/T 4444-2023 5G small base station network management system southbound interface data model

    China Telecommunication Industry - YD Standards
    YD/T 4443-2023 Industrial Internet networking technology Passive optical network (PON) equipment technical requirements

    China Telecommunication Industry - YD Standards
    YD/T 4442-2023 Industrial Internet Network technology requirements based on SD-WAN

    China Telecommunication Industry - YD Standards
    YD/T 4441-2023 Technical requirements and test methods for far-field voice collection and processing modules for terminals

    China Telecommunication Industry - YD Standards
    YD/T 4440-2023 Smart speaker intelligent grading index system

    China Telecommunication Industry - YD Standards
    YD/T 4439.2-2023 Smart space intelligence level evaluation specifications Part 2: Home space

    China Telecommunication Industry - YD Standards
    YD/T 4439.1-2023 Smart Space Intelligence Level Assessment Specifications Part 1: General Assessment Criteria

    China Telecommunication Industry - YD Standards
    YD/T 4438-2023 Smart community comprehensive service platform technical requirements

    China Telecommunication Industry - YD Standards
    YD/T 4437-2023 Smart community needs and scenarios

    China Telecommunication Industry - YD Standards
    YD/T 4436.1-2023 Specifications for Function and Performance Evaluation of Home Smart Cameras Part 1: Human Shape Detection

    China Telecommunication Industry - YD Standards
    YD/T 4435-2023 Internet of Things communication architecture based on information center network and blockchain

    China Telecommunication Industry - YD Standards
    YD/T 4434-2023 Technical requirements for terminal interface of smart water meter system based on NB-IoT

    China Telecommunication Industry - YD Standards
    YD/T 4433-2023 Interface technical requirements for smart water meter system platform based on NB-IoT

    China Telecommunication Industry - YD Standards
    YD/T 4432.5-2023 Interdomain Source Address Authentication (SAVA-X) Technical Requirements Part 5: Address Domain Deployment

    China Telecommunication Industry - YD Standards
    YD/T 4432.4-2023 Source Address Validation Between Domains (SAVA-X) Technical Requirements Part 4: Guidelines for the Creation, Selection, and Registration of Address Domains

    China Telecommunication Industry - YD Standards
    YD/T 4432.3-2023 Interdomain Source Address Authentication (SAVA-X) Technical Requirements Part 3: Control Server and Border Router Communication Protocol

    China Telecommunication Industry - YD Standards

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