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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, Imported Commodity GB standards Testing and Compliance review services.
  •  China "proficiency" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 28043-2019 Statistical methods for use in proficiency testing by interlaboratory comparison
    利用实验室间比对进行能力验证的统计方法
    China National Standards
    proficiency

    English PDF
    GB/T 28043-2019 Statistical methods for use in proficiency testing by interlaboratory comparison
    利用实验室间比对进行能力验证的统计方法
    China National Standards
    proficiency

    English PDF
    GB/T 6865-2009 Codes for levels of language proficiency and foreign language test grades
    语种熟练程度和外语考试等级代码
    China National Standards
    proficiency

    English PDF
    GB/T 30539-2014 Foreign languages proficiency specifications for international trade personnel
    国际贸易业务人员商务外语能力标识规范
    China National Standards
    proficiency

    English PDF
    GB/T 28043-2011 Statistical methods for use in proficiency testing by interlaboratory comparisons
    利用实验室间比对进行能力验证的统计方法
    China National Standards
    proficiency

    English PDF
    GB/T 27409-2010 Application of proficiency testing in the medical laboratory
    医学实验室能力验证的应用
    China National Standards
    proficiency

    English PDF
    GB/T 27043-2012 Conformity assessment - General requirements for proficiency testing
    合格评定 能力验证的通用要求
    China National Standards
    proficiency

    English PDF

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