China National Standards

China Explanation GB Standards Search System

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 "Explanation" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/Z 35474-2017
  • Natural gas—Technical Explanation for calculation of physical properties from composition Explanation
    China National Standards
  • GB/Z 16935.2-2013
  • Insulation coordination for equipment within low-voltage systems―Part 2-1: Application guide-Explanation of the application of the IEC 60664 series, dimensioning example and dielectric testing Explanation
    China National Standards
  • GB/T 12060.2-2011
  • Sound system equipment - Part 2: Explanation of general terms and calculation methods Explanation
    China National Standards
  • HG/T 20581-2011
  • Specification of materials selection for steel chemicai vessels [including section "Compilation Explanation"] Explanation
    China Chemical Industry Standards
  • SY/T 6130-2009
  • The parameter test and injection profile Explanation method for steam injection well Explanation
    China Oil & Gas Industry Standards
  • GB/T 6417.2-2005
  • Classification and Explanation of imperfections in pressure welded joints Explanation
    China National Standards
  • GB/T 6417.1-2005
  • Classification and Explanation of imperfections in fusion welded joints Explanation
    China National Standards
  • SJ 20652-1997
  • Technical requirements for verbal Explanation of the military digital secure automatic telephone network Explanation
    China Electronics Standards
  • JJF 1293-1990
  • O. T. N. for Primary Standard of Dissipation Factor of Capacitor (Explanation) Explanation
    China Metrological Standards

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