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 29031-2012	Air-source based air-conditioning（heat pump）water heater unit	China National Standards
GB/T 29030-2012	Positive displacement CO2 refrigerant compressor(unit)	China National Standards
GB/T 29029-2012	Large-scale saline ice making installation	China National Standards
GB/T 29028-2012	SWZ large universal coupling with bearing box	China National Standards
GB/T 29027-2012	Large curved tooth coupling	China National Standards
GB/T 29026-2012	Spring loaded safety valve for cryogenic service	China National Standards
GB/T 29025-2012	Determination of particle size distributions - Electrical sensing zone method	China National Standards
GB/T 29024.3-2012	Determination of particle size distribution - Single particle light interaction methods - Part 3: Light extinction liquid-borne particle counter	China National Standards
GB/T 29023.1-2012	Measurement and characterization of particles by acoustic methods - Part 1: Concepts and procedures in ultrasonic attenuation spectroscopy	China National Standards
GB/T 29022-2012	Particle size analysis - Dynamic light scattering(DLS)	China National Standards
GB/T 2529-2012	Copper sheets and bars for electrical conduction purpose	China National Standards
GB/T 23331-2012	Energy management systems - Requirements	China National Standards
GB/T 223.65-2012	Steel, iron and alloy - Determination of cobalt content - Flame atomic absorption spectrometric method	China National Standards
GB/T 20475.4-2012	Classification for content of harmful elements in coal - Part 4：Mercury	China National Standards
GB/T 20475.3-2012	Classification for content of harmful elements in coal - Part 3：Arsenic	China National Standards
GB/T 19350-2012	Metallic and other inorganic coatings - Post-coating treatments of iron or steel to reduce the risk of hydrogen embrittlement	China National Standards
GB/T 19349-2012	Metallic and other inorganic coatings - Pretreatment of iron or steel to reduce the risk of hydrogen embrittlement	China National Standards
GB/T 19326-2012	Forged branch outlet fittings, socket-welding, threaded and buttwelding	China National Standards
GB/T 17754-2012	Tribology terminology	China National Standards
GB/T 17492-2012	Industrial woven wire cloth - Technical requirements and testing	China National Standards
GB/T 17432-2012	Methods of sampling for analyzing the chemical composition of wrought aluminum and aluminum alloys	China National Standards
GB/T 17185-2012	Steel flanged fittings	China National Standards
GB/T 16957-2012	Clad teel plats - Mechanical technical tests on welded joints	China National Standards
GB/T 16840.6-2012	Technical determination methods for electrical fire evidence - Part 6：Micro-morphological analysis method using scanning electron microscope	China National Standards
GB/T 16840.5-2012	Technical determination methods for electrical fire evidence - Part 5: Method of recognizing and collecting the physical evidence of electrical fire	China National Standards
GB/T 16666-2012	Monitoring and testing for energy saving of motor-pump liquid transport system	China National Standards
GB/T 1481-2012	Metallic powders (excluding powders for hardmetals) - Determination of compressibility in uniaxial compression	China National Standards
GB/T 1480-2012	Metallic powders - Determination of particle size by dry sieving	China National Standards
GB/T 11544-2012	Belt drives - Classical and narrow V-belts - Dimensions(system based on datum width)	China National Standards
GB/T 11105-2012	Metallic powder - Rattle test for the green compacts	China National Standards

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