China National Standards
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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    YDB 140-2013 Technical requirement of radio access network self-organizing networks (SON) management

    China Telecommunication - YD Standards
    YDB 139-2013 Technical requirement of WLAN IP mobility

    China Telecommunication - YD Standards
    YDB 138-2013 Radio passive optical network (RPON) technical specification

    China Telecommunication - YD Standards
    YDB 137-2013 Architecture and technical requirements of policy control capability ppening of network intelligent capability enhancement (NICE)

    China Telecommunication - YD Standards
    YDB 136-2013 Mobile Market Information Security Technology Specification

    China Telecommunication - YD Standards
    YDB 135-2013 Technical Requirement Specification for The Client Of Mobile Application Store

    China Telecommunication - YD Standards
    YDB 134-2013 High level framework and technical requirements of smart city

    China Telecommunication - YD Standards
    YDB 133-2013 Ubiquitous network application. Service scenarios and functional requirements of intelligent fixed assets management system

    China Telecommunication - YD Standards
    YDB 132-2013 Technical requirement of intelligent environmental protection information service for mobile communication network

    China Telecommunication - YD Standards
    YDB 131-2013 Security technology of converging wireless sensor networks and mobile communication network

    China Telecommunication - YD Standards
    YDB 130.6-2013 Distribution and integration for convergence of the three networks. Part 6: Basic Procedural Flow

    China Telecommunication - YD Standards
    YDB 130.5-2013 Distribution and integration for convergence of the three networks. Part 5: Management And Technical Requirement

    China Telecommunication - YD Standards
    YDB 130.4-2013 Distribution and integration for convergence of the three networks. Part 4: Interface technical requirements

    China Telecommunication - YD Standards
    YDB 130.3-2013 Distribution and integration for convergence of the three networks. Part 3: Data specifications of portal guide

    China Telecommunication - YD Standards
    YDB 130.2-2013 Distribution and integration for convergence of the three networks. Part 2: System architecture and general technical requirements

    China Telecommunication - YD Standards
    YDB 130.1-2013 Distribution and integration for convergence of the three networks. Part 1: Scenario and requirements

    China Telecommunication - YD Standards
    YDB 129-2013 Decoupled application data enroute technical framework

    China Telecommunication - YD Standards
    SY/T 6970-2013 Technical code of on-line corrosion monitoring in gathering system for highly hydrogen sulfide gas field

    China Oil & Gas Industry - YD Standards
    SY/T 6944-2013 Technical regulations for combination of perforation, testing and hydraulic jet pump

    China Oil & Gas Industry - YD Standards
    SY/T 5259-2013 Gas chromatography analysis method for light hydrocarbon from cuttings head space gas

    China Oil & Gas Industry - YD Standards
    SY/T 4126-2013 Code for construction of oil and gas transportation pipeline hydraulic protection

    China Oil & Gas Industry - YD Standards
    DL/T 568-2013 Test methods for instrumental determination of carbon, hydrogen, and nitrogen in laboratory samples of fuel

    China Electricity & Power - YD Standards
    DL/T 5309-2013 Specifications for underwater concrete construction of hydroelectric and hydraulic engineering

    China Electricity & Power - YD Standards
    DL/T 5308-2013 Technical specification for construction safety monitoring of hydropower and water resources projects

    China Electricity & Power - YD Standards
    DL/T 5307-2013 Risk assessment code for flood control on construction of hydropower and water resources project

    China Electricity & Power - YD Standards
    DL/T 5306-2013 Specifications for fair-faced concrete construction of hydroelectric and hydraulic engineering

    China Electricity & Power - YD Standards
    DL/T 5305-2013 Safety operation specification of construction machinery for hydroelectric and hydraulic engineering Transport vehicle

    China Electricity & Power - YD Standards
    DL/T 5304-2013 Technical specification of limestone powder for use in hydraulic concrete

    China Electricity & Power - YD Standards
    DL/T 5303-2013 Test code for hydraulic plastic concrete

    China Electricity & Power - YD Standards
    DL/T 5302-2013 Safety operation specification of construction machinery for hydroelectric and hydraulic engineering Special purpose vehicle

    China Electricity & Power - YD Standards

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