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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 4333.10-1990 Methods for chemical analYSis of ferrosilicon--The infrared absorption method for the determination of carbon content
    硅铁化学分析方法 红外线吸收法测定碳量

    YS-China National Standards

    YY 0030-1990 (General technical conditions peritoneal dialYSis tube)

    YS-China Medicine & Medical Device Standards

    JJG(YD)007-1990 Specification for verification of microwave sYStem analyzers

    YS-China Metrological Standards

    SJ 3249.2-1989 Methods of measurement for Carbon concentration of semi-insulation Gallicem arsenide single crYStal by infra-red absorption

    YS-China Electronics Standards

    SJ 3249.1-1989 Methods of measurement for resistivity of semi-insulation Gallium arsenide and Indium phosphide single crYStal material

    YS-China Electronics Standards

    SJ 3245-1989 Methods for measuring dislocation of Indium phosphide single-crYStal

    YS-China Electronics Standards

    SJ 3244.3-1989 Methods of measurement for crYStal-orientation of single crystal of Gallium arsenide and Indium phosphide

    YS-China Electronics Standards

    GB/T 11820-1989 The requirements for urban optical fiber cable sYStems joined to national public telecommunication network
    市内光缆通信系统进网要求

    YS-China National GB Standards

    SJ 3244.2-1989 Methods of measurement for crYStal lattice mismatch between substrate of Gallium arsenide and Indium phosphide and extended layer of heterojunction

    YS-China Electronics Standards

    SJ 3243-1989 Indium phosphide single-crYStal bar and wafers

    YS-China Electronics Standards

    SJ 3239-1989 General requirement for gas chromatography analYSis method

    YS-China Electronics Standards

    SJ/Z 3206.11-1989 General rules for analYSis of quantities of emision spectrum

    YS-China Electronics Standards

    SJ 3232.4-1989 (Low melting solder glass powder crYStallization time measurement method)

    YS-China Electronics Standards

    SJ 3228.2-1989 General rules for methods of analYSis for high purity arenaceous quartz

    YS-China Electronics Standards

    SJ 3225-1989 Fundamental performance requirements and classification for remote control sYStem for use in colour television broadcast receivers

    YS-China Electronics Standards

    SJ 3223-1989 General specification for transmitting sYStem of ground radar

    YS-China Electronics Standards

    SJ 3218-1989 General specification for receiving sYStem of ground radar

    YS-China Electronics Standards

    SJ 3208-1989 Technical requirements for telephone sYStem in carrier communication using coaxial cables

    YS-China Electronics Standards

    SJ 3199-1989 Method of analYSis for Zinc-Lead in vacuum-Silicon Aluminium alloy by atomic absorption spectrophotometry

    YS-China Electronics Standards

    GB 10494-1989 Technical specification for crossing signal equipment in waYSide
    铁路区间道口信号设备技术条件

    YS-China National GB Standards


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