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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Purchase services.
  •  China "YS" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
    GB/T 21198.2-2007 Determination of precious metals in precious metals jewellery alloYS - Method using ICP spectrometry - Part 2:Platinum jewellery alloys - Determination of platinum - Method using the intensity ratios of all minor constituents with reference to platinum
    贵金属合金首饰中贵金属含量的测定 ICP光谱法 第2部分:铂合金首饰 铂含量的测定 采用所有微量元素与铂强度比值法

    YS-China National GB Standards

    GB/T 21198.3-2007 Determination of precious metals in precious metals jewellery alloYS - Method using ICP spectrometry - Part 3:Palladium jewellery alloys - Determination of palladium - Method using a solution with yttrium as internal standard element
    贵金属合金首饰中贵金属含量的测定 ICP光谱法 第3部分:钯合金首饰 钯含量的测定 采用钇为内标

    YS-China National GB Standards

    YD/T 5160-2007 Acceptance Specification on Indoor Coverage SYStem Installation Engineering for Wireless Communication

    YS-China Telecommunication Standards

    YD/T 1669-2007 The Off-Grid Wind/PV Hybrid Power Supply SYStem for Telecommunications

    YS-China Telecommunication Standards

    YD/T 5156-2007 Accepting Specification for Fixed Network Intelligence SYStem Installation Engineering

    YS-China Telecommunication Standards

    YD/T 1705-2007 Technical Requirements for Access Network. oice over Digital Subscriber Line SYStem (VoDSL)

    YS-China Telecommunication Standards

    YD/T 1713-2007 Technical Requirements and Testing Methods of Incoming Power Disturbance Alarm SYStem for Main Distribution Frame

    YS-China Telecommunication Standards

    YD/T 1721.1-2007 2GHz TD-SCDMA Digital Cellular Mobile Communication Network:HSDPA PhYSical Layer Technical Specification. Phase 1:General Descriptionr

    YS-China Telecommunication Standards

    YD/T 1721.2-2007 2GHz TD-SCDMA digital cellular mobile communication network speed downlink packet access (HSDPA) Uu interface phYSical layer specification - Part 2: physical channels and transport channels are mapped to the physical channel

    YS-China Telecommunication Standards

    YD/T 1721.3-2007 2GHz TD-SCDMA Digital Cellular Mobile Communication Network:HSDPA PhYSical Layer Technical Specification. Phase 3:Multiplexing and Channel Coding

    YS-China Telecommunication Standards

    YD/T 1721.4-2007 2GHz TD-SCDMA digital cellular mobile communication network speed downlink packet access (HSDPA) Uu interface phYSical layer specification - Part 4: spreading and modulation

    YS-China Telecommunication Standards

    YD/T 1721.5-2007 2GHz TD-SCDMA digital cellular mobile communication network speed downlink packet access (HSDPA) Uu interface phYSical layer specification - Part 5: Physical layer procedures

    YS-China Telecommunication Standards

    GB/T 21053-2007 Information security techniques - Public key infrastructure - Technology requirement for security classification protection of PKI sYStem
    信息安全技术 公钥基础设施 PKI系统安全等级保护技术要求

    YS-China National GB Standards

    GB/T 21198.4-2007 Determination of precious metals in precious metals jewellery alloYS - Method using ICP spectrometry - Part 4:999‰ precious metals jewellery alloys - Determination of precious metals - Difference method
    贵金属合金首饰中贵金属含量的测定 ICP光谱法 第4部分:999‰贵金属合金首饰 贵金属含量的测定 差减法

    YS-China National GB Standards

    GB/T 20910-2007 Temperature/pressure safety valve for hot water supply sYStem
    热水系统用温度压力安全阀

    YS-China National GB Standards

    GB/T 20899.2-2007 Methods for chemical analYSis of gold ores - Part 2:Determination of silver contents
    金矿石化学分析方法 第2部分:银量的测定

    YS-China National GB Standards

    GB/T 20899.3-2007 Methods for chemical analYSis of gold ores - Part 3:Determination of arsenic contents
    金矿石化学分析方法 第3部分:砷量的测定

    YS-China National GB Standards

    GB/T 20899.4-2007 Methods for chemical analYSis of gold ores - Part 4:Determination of copper contents
    金矿石化学分析方法 第4部分:铜量的测定

    YS-China National GB Standards

    GB/T 20899.5-2007 Methods for chemical analYSis of gold ores - Part 5:Determination of lead contents
    金矿石化学分析方法 第5部分:铅量的测定

    YS-China National GB Standards

    GB/T 20899.6-2007 Methods for chemical analYSis of gold ores - Part 6: Determination of zinc contents
    金矿石化学分析方法 第6部分:锌量的测定

    YS-China National GB Standards


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