China GB 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, Purchase services.

China "GB" GB Standards List:

Standard Code	GB Standard Title	Standard Class
GB/T 31353-2014	Test methods for bow of sapphire substrates	China National Standards
GB/T 31352-2014	Test methods for warp of sapphire substrates	China National Standards
GB/T 31351-2014	Nondestructive test method for micropipe density of polished monocrystalline silicon carbide wafers	China National Standards
GB/T 30656-2014	Polished monocrystalline silicon carbide wafers	China National Standards
GB/T 30655-2014	Test methods for internal quantum efficiency of nitride LED epitaxial layers	China National Standards
GB/T 30654-2014	Test method for lattice constant of III-nitride epitaxial layers	China National Standards
GB/T 30653-2014	Test method for crystal quality of III-nitride epitaxial layers	China National Standards
GB/T 30652-2014	Trichlorosilane for silicon epitaxial	China National Standards
GB/T 30643-2014	General standard for the label of food contact materials and articles	China National Standards
GB/T 13389-2014	Practice for conversion between resistivity and dopant density for boron-doped, phosphorus-doped, and arsenic-doped silicon	China National Standards
GB/T 12963-2014	Electronic-grade polycrystalline silicon	China National Standards
GB/T 30698-2014	Evaluation criteria for E-commerce supplier―High quality manufacturer	China National Standards
GB/T 30697-2014	Test methods of characteristics for spaceborne multispectral camera with wide field of view	China National Standards
GB/T 30670-2014	Satin of brocade―Zhuang hua	China National Standards
GB/T 2909-2014	Cotton grey canvas for rubber industry	China National Standards
GB/T 24218.18-2014	Textiles―Test methods for nonwovens―Part 18: Determination of breaking strength and elongation （grab method）	China National Standards
GB/T 19981.2-2014	Textiles―Professional care,drycleaning and wetcleaning of fabrics and garments―Part 2: Procedure for testing performance when cleaning and finishing using tetrachloroethene	China National Standards
GB/T 19981.1-2014	Textiles—Professional care, drycleaning and wetcleaning of fabrics and garments—Part 1: Assessment of performance after cleaning and finishing	China National Standards
GB/T 17699-2014	Electronic data interchange for administration，commerce and transport（EDIFACT)―Data element directory	China National Standards
GB/T 15635-2014	Electronic data interchange for administration, commerce and transport (EDIFACT)―Composite data elements directory	China National Standards
GB/T 15634-2014	Electronic data interchange for administration, commerce and transport(EDIFACT)―Segment directory	China National Standards
GB/T 7767-2014	Standard terminology relating to carbon black	China National Standards
GB/T 6324.8-2014	Test methods of organic chemical products―Part 8：Determination of water of liquid products―Carl.fischer coulometric method	China National Standards
GB/T 6324.7-2014	Test method of organic chemical products—Part 7: Determination of molten color	China National Standards
GB/T 6324.6-2014	Test method of organic chemical products—Part 6: Determination of color for liquids—Tristimulus colorimetry	China National Standards
GB/T 31357-2014	Compounded rubber―General technical specification	China National Standards
GB/T 31350-2014	Guideline for energy measurement apparatus equipping and management of sintering wall & roof materials enterprise	China National Standards
GB/T 31349-2014	Technical requirements of measurement and verification of energy savings—Central air-conditioning system	China National Standards
GB/T 31348-2014	Technical requirements of measurement and verification of energy savings—Lighting system	China National Standards
GB/T 31347-2014	Technical requirements of measurement and verification of energy savings—Communication room project	China National Standards

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