China National Standards

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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 "less" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
  • GB/T 39191-2020
  • Heat treatment for stainless steel and heat resistant steel parts less
    China GB-National Standards
  • GB/T 39077-2020
  • Test methods for detecting detrimental phases in lean duplex austenitic-ferritic stainless steels less
    China GB-National Standards
  • GB/T 26291-2020
  • Seamless copper-nickel alloys tube for ships less
    China GB-National Standards
  • GB/T 26302-2020
  • Seamless copper and copper alloy tube for heat pipe less
    China GB-National Standards
  • GB/T 20928-2020
  • Seamless inner grooved copper tube less
    China GB-National Standards
  • GB/T 26790.4-2020
  • Industrial wireless networks WIA specification—Part 4: WIA-FA protocol conformance test specification less
    China GB-National Standards
  • GB/T 39033-2020
  • Austenitic-ferritic duplex stainless steel wire rods less
    China GB-National Standards
  • GB/T 38884-2020
  • High temperature stainless steels for bearing less
    China GB-National Standards
  • GB/T 38810-2020
  • Seamless stainless steel pipes for liquefied natural gas less
    China GB-National Standards
  • GB/T 38807-2020
  • General specification for super austenitic stainless steels less
    China GB-National Standards
  • GB/T 30269.809-2020
  • Information technology—Sensor networks—Part 809:Testing:Conformance testing for the network layer of wireless sensor networks based on IP protocol less
    China GB-National Standards
  • GB/T 20111.5-2020
  • Electrical insulation systems—Procedures for thermal evaluation—Part 5: Applications with a designed life of 5000h or less less
    China GB-National Standards
  • GB/T 38618-2020
  • Information technology—Telecommunications and information exchange between systems—Specification for high reliability and low latency wireless network communication protocol less
    China GB-National Standards
  • GB/T 21833.2-2020
  • Seamless austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 2: Pipes for fluid service less
    China GB-National Standards
  • GB/T 21833.1-2020
  • Seamless austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1: Tubes for heat exchanger less
    China GB-National Standards
  • GB/T 4334-2020
  • Corrosion of metals and alloys-Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels less
    China GB-National Standards
  • GB/T 3090-2020
  • Seamless small diameter stainless steel tubes less
    China GB-National Standards
  • GB/T 3089-2020
  • Seamless ultra-thin wall stainless steel tubes less
    China GB-National Standards
  • GB/T 38775.3-2020
  • Electric vehicle wireless power transfer—Part 3: Specific requirements less
    China GB-National Standards
  • GB/T 38775.1-2020
  • Electric vehicle wireless power transfer—Part 1:General requirements less
    China GB-National Standards
  • GB/T 38775.4-2020
  • Electric vehicle wireless power transfer—Part 4:Limits and test methods of electromagnetic environment less
    China GB-National Standards
  • GB/T 38775.2-2020
  • Electric vehicle wireless power transfer—Part 2: Communication protocols between on-board charger and wireless power transfer device less
    China GB-National Standards
  • GB/T 38695-2020
  • Technical specification for ballastless track of urban rail transit less
    China GB-National Standards
  • GB/T 38681-2020
  • Seamless corrosion resistant alloy pipes and tubes for industrial furnace less
    China GB-National Standards
  • GB/T 38474-2020
  • House hold stainless steel sink less
    China GB-National Standards
  • GB/T 28029.8-2020
  • Electronic railway equipment—Train communication network (TCN)—Part 2-7: Radio based Wireless Train Backbone (WLTB) less
    China GB-National Standards
  • GB/T 38365-2019
  • Technical procedure on smokeless production of copper phosphorus brazing filler metals less
    China National Standards
  • GB/T 5310-2017
  • Seamless steel tubes and pipes for high pressure boiler less
    China National Standards
  • GB/T 37923-2019
  • Trackless mining truck for open-pit mines—Safety requirements less
    China National Standards
  • GB/T 37778-2019
  • Recommended process for laser beam welding on stainless steels less
    China National Standards
  • GB/T 37687-2019
  • Information technology—Low-power wireless charger general specification for electronic information products less
    China National Standards
  • GB/T 7962.23-2019
  • Test method of colourless optical glass—Part 23: Resistance to climatic less
    China National Standards
  • GB/T 7962.22-2019
  • Test method of colourless optical glass—Part 22:Resistance to attack by aqueous alkaline phosphate-containing less
    China National Standards
  • GB/T 7962.21-2019
  • Test method of colourless optical glass—Part 21:Resistance to attack by aqueous alkaline solutions less
    China National Standards
  • GB/Z 37754-2019
  • Guidance on clearances and creepage distances in particular for distances equal to or less than 2mm—Test results of research on influencing parameters less
    China National Standards
  • GB/T 37751.31-2019
  • Residual current operated circuit-breakers for household and similar use—Part 3-1:Particular requirements for RCDs with screwless-type terminals for external copper conductors less
    China National Standards
  • GB/T 37614-2019
  • Corrosion-resistant alloy seamless tube and pipe less
    China National Standards
  • GB/T 37610-2019
  • Corrosion-resistant alloy small diameter precision seamless tubes less
    China National Standards
  • GB/T 37578-2019
  • Urea grade ultra-low carbon austenitic seamless stainless steel tubes and pipes less
    China National Standards
  • GB/T 37570-2019
  • Copper alloy sheet for oilless bearing less
    China National Standards
  • GB/T 24588-2019
  • Stainless steel spring wires less
    China National Standards
  • GB/T 5777-2019
  • Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections less
    China National Standards
  • GB/T 4240-2019
  • Stainless steel wires less
    China National Standards
  • GB/T 4232-2019
  • Stainless steel wire for cold heading and cold forging less
    China National Standards
  • GB/T 3086-2019
  • High carbon chromium stainless bearing steels less
    China National Standards
  • GB/T 37430-2019
  • High strength stainless structural steel for constructions less
    China National Standards
  • GB/T 903-2019
  • Colourless optical glass less
    China National Standards
  • GB/T 37020-2018
  • Information technology—Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific requirements—Medium access control and physical layer specification for video wireless personal area networks(VPAN less
    China National Standards
  • GB/T 37132-2018
  • General requirements and test methods of electromagnetic compatibility for wireless power transmission equipment less
    China National Standards
  • GB/T 36996-2018
  • Permanent magnet disc coreless generator for wind turbines less
    China National Standards
  • GB/T 51292-2018
  • Wireless communication indoor coverage system engineering technical standards less
    China National Standards
  • GB/T 50398-2018
  • Seamless steel pipe engineering design standard less
    China National Standards
  • GB/T 30269.808-2018
  • Information technology—Sensor network—Part 808:Testing:Network layer and application support sublayer security for low-rate wireless sensor network less
    China National Standards
  • GB/T 21832.1-2018
  • Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger less
    China National Standards
  • GB/T 21832.2-2018
  • Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 2:Pipes for fluid transport less
    China National Standards
  • GB/T 36226-2018
  • Stainless steel—Determination of manganse, nickel, chromium, molybdenum, copper and titanium—Handheld energy dispersive X-Ray fluorescence spectrometric method (semiquantitative method) less
    China National Standards
  • GB/T 8163-2018
  • Seamless steel pipes for liquid service less
    China National Standards
  • GB/T 20409-2018
  • Seamless multi-rifled steel tubes for high-pressure boiler less
    China National Standards
  • GB/T 8162-2018
  • Seamless steel tubes for structural purposes less
    China National Standards
  • GB/T 30269.303-2018
  • Information technology—Sensor networks—Part 303: Communication and information exchange: Network layer specification for wireless sensor networks based on IP protocol less
    China National Standards
  • GB/T 17853-2018
  • Tubular cored electrodes for stainless steels less
    China National Standards
  • GB/T 36145-2018
  • Profiled stainless steel sheet for buildings less
    China National Standards
  • GB/T 36454-2018
  • Information technology—Telecommunications and information exchange between systems—Medium access control and physical layer specifications for middle-high throughput wireless local area network less
    China National Standards
  • GB/T 36458-2018
  • Information technology—Customer premises cabling for wireless access points less
    China National Standards
  • GB/T 24593-2018
  • Welded austenitic stainless steel tubes for boiler and heat exchanger less
    China National Standards
  • GB/T 36330-2018
  • Information technology—Technical requirements of wireless sensor network system for gas meter remote management less
    China National Standards
  • GB/T 36440-2018
  • Information technology—Telecommunications and information exchange between systems local and metropolitan area networks—Specific requirements—Low-rate wireless personal area network physical layer(PHY) specification for anti-interference less
    China National Standards
  • GB/T 36707-2018
  • Hot rolled carbon steel and stainless steel clad bars for the reinforcement of concrete less
    China National Standards
  • GB/T 36027-2018
  • Austenitic stainless steel bars for nuclear power plants less
    China National Standards
  • GB/T 17854-2018
  • Solid wire electrodes /flux combinations for submerged arc welding of stainless steels less
    China National Standards
  • GB/T 5171.22-2017
  • Small-power motors—Part 22:Test methods for permanent magnet brushless DC motors less
    China National Standards
  • GB/T 5099.1-2017
  • Seamless steel gas cylinders—Part 1: Quenched and tempered steel cylinders with tensile strength less than 1100 MPa less
    China National Standards
  • GB/T 24511-2017
  • Stainless steel and heat resisting steel plate, sheet and strip for pressure equipments less
    China National Standards
  • GB/T 5099.3-2017
  • Seamless steel gas cylinders—Part 3: Normalized cylinders less
    China National Standards
  • GB/T 30269.803-2017
  • Information technology—Sensor networks—Part 803:Testing:Network layer and application support sublayer for low-rate wireless sensor networks less
    China National Standards
  • GB 4234.1-2017
  • Implants for surgery—Metallic materials—Part 1: Wrought stainless steel less
    China National Standards
  • GB/T 34915-2017
  • Austenitic stainless steel plate,sheet and strip for nuclear power plants less
    China National Standards
  • GB/T 35704-2017
  • Ship shaft brushless doubly-fed AC generator less
    China National Standards
  • GB/T 1796.4-2017
  • Tyre valves-Part 4:Tubeless clamp-in valves less
    China National Standards
  • GB/T 35741-2017
  • Specification of stainless steel forgings for industrial valves less
    China National Standards
  • GB/T 30269.602-2017
  • Information technology—Sensor network—Part 602: Information security : Network layer and application support sublayer security specification for low-rate wireless sensor networks less
    China National Standards
  • GB/T 35325-2017
  • Grain and oil machinery—Endless screen precleaner less
    China National Standards
  • GB/T 35763-2017
  • Stainless steel faucet less
    China National Standards
  • GB/T 5310-2017
  • Seamless steel tubes and pipes for high pressure boiler less
    China National Standards
  • GB/T 5099.4-2017
  • Seamless steel gas cylinders—Part 4: Seamless stainless steel gas cylinders less
    China National Standards
  • GB/T 19882.223-2017
  • Automatic meter reading system—Part 223: Data link layer (MAC sub-layer)—Wireless communication meter reading system less
    China National Standards
  • GB/T 19882.222-2017
  • Automatic meter reading system—Part 222: Physical layer(PHY) specifications—Wireless communication meter reading system less
    China National Standards
  • GB/T 35286-2017
  • Information security technology—Air-interface security test specification for low-rate wireless personal area networks less
    China National Standards
  • GB/T 34109-2017
  • Seamless steel tubes for drill rod of rotary digging machine less
    China National Standards
  • GB/T 34096-2017
  • Mobile payment—Test methods for contactless reader terminal based on 2.45GHz range controlled communication technology less
    China National Standards
  • GB/T 34107-2017
  • Seamless precision stainless steel pipes for rail transit vehicle braking system less
    China National Standards
  • GB/T 34105-2017
  • Seamless steel tubes for ocean engineering structures less
    China National Standards
  • GB/T 33926-2017
  • Stainless steel pipe fitting of ring compression less
    China National Standards
  • GB/T 26831.4-2017
  • Specification for reading system of energy metering in community—Part 4:Wireless meter readout less
    China National Standards
  • GB/T 26831.5-2017
  • Specification for reading system of energy metering in community—Part 5:Wireless relaying less
    China National Standards
  • GB/T 33966-2017
  • Seamless abrasion-resistant steel pipes for mortar service less
    China National Standards
  • GB/T 33778-2017
  • RF technical requirements and testing methods for the wireless transceiver of video monitoring system less
    China National Standards
  • GB/T 17791-2017
  • Seamless copper and copper alloys tube for air conditioner and refrigeration equipment less
    China National Standards
  • GB/T 18033-2017
  • Seamless copper tubes for water and gas less
    China National Standards
  • GB/T 33959-2017
  • Stainless steel bars for the reinforcement of concrete less
    China National Standards

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