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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 "EL" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 38807-2020 General specification for super austenitic stainless steELs
    超级奥氏体不锈钢通用技术条件    		 China National Standards
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    GB/T 38803-2020 Specification for failure analysis of steEL wire ropes
    钢丝绳失效分析规范    		 China National Standards
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    GB/T 38783-2020 Method of coating thickness determination for precious metal composites by scanning ELectron microscope
    贵金属复合材料覆层厚度的扫描电镜测定方法    		 China National Standards
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    GB/T 38782-2020 Shore connection for liquid cargo vessEL
    船舶液货通岸接头    		 China National Standards
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    GB/T 38754-2020 Technical requirements for IPTV media dELivery system—Streaming media services
    IPTV媒体交付系统技术要求 流媒体服务    		 China National Standards
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    GB/T 32288-2020 ELectrical steel core for power transformers
    电力变压器用电工钢铁心    		 China National Standards
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    GB/T 31309-2020 Calculation of ELectron vacancy number in cast superalloys
    铸造高温合金电子空位数计算方法    		 China National Standards
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    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
    信息技术 传感器网络 第809部分：测试：基于IP的无线传感器网络网络层协议一致性测试    		 China National Standards
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    GB/T 29311-2020 ELectrical insulating materials and systems—AC voltage endurance evaluation
    电气绝缘材料和系统 交流电压耐久性评定    		 China National Standards
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    GB/T 28816-2020 FuEL cell—Terminology
    燃料电池 术语    		 China National Standards
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    GB/T 27788-2020 Microbeam analysis—Scanning ELectron microscopy—Guidelines for calibrating image magnification
    微束分析 扫描电镜 图像放大倍率校准导则    		 China National Standards
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    GB/T 26036-2020 Aluminum alloy die forgings for automobile wheELs
    汽车轮毂用铝合金模锻件    		 China National Standards
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    GB/T 24180-2020 Cold-reduced ELectrolytic chromium/chromium oxide coated steel sheet and strip
    冷轧电镀铬钢板及钢带    		 China National Standards
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    GB/T 22578.3-2020 ELectrical insulation system (EIS)—Thermal evaluation of combined liquid and solid components—Part 3:Hermetic motor-compressors
    电气绝缘系统(EIS) 液体和固体组件的热评定 第3部分：密封式电动机-压缩机    		 China National Standards
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    GB/T 20975.14-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 14：Determination of nickEL content
    铝及铝合金化学分析方法 第14部分：镍含量的测定    		 China National Standards
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    GB/T 20975.25-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 25：Determination of ELements content—Inductively coupled plasma atomic emission spectrometric method
    铝及铝合金化学分析方法 第25部分：元素含量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 20671.5-2020 Classification system and test methods for nonmetallic gasket materials—Part 5: Standard test method for creep rELaxation of gasket materials
    非金属垫片材料分类体系及试验方法 第5部分：垫片材料蠕变松弛率试验方法    		 China National Standards
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    GB/T 20111.5-2020 ELectrical insulation systems—Procedures for thermal evaluation—Part 5: Applications with a designed life of 5000h or less
    电气绝缘系统 热评定规程 第5部分:设计寿命5000h及以下的应用    		 China National Standards
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    GB/T 17360-2020 Microbeam analysis—Method of quantitative determination for low contents of silicon and manganese in steELs using electron probe microanalyzer
    微束分析 钢中低含量硅、锰的电子探针定量分析方法     		China National Standards
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    GB/T 15579.10-2020 Arc wELding equipment—Part 10:Electromagnetic compatibility (EMC) requirements
    弧焊设备 第10部分:电磁兼容性(EMC)要求    		 China National Standards
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    GB/T 13912-2020 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steEL articles—Specifications and test methods
    金属覆盖层 钢铁制件热浸镀锌层 技术要求及试验方法    		 China National Standards
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    GB/T 9771.6-2020 Single-mode optical fibres for tELecommunication—Part 6: Characteristics of a fibre with non-zero dispersion for wideband optical transport
    通信用单模光纤 第6部分：宽波长段光传输用非零色散单模光纤特性    		 China National Standards
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    GB/T 9771.5-2020 Single-mode optical fibres for tELecommunication—Part 5: Characteristics of a non-zero dispersion shifted single-mode optical fibre
    通信用单模光纤 第5部分：非零色散位移单模光纤特性    		 China National Standards
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    GB/T 9771.4-2020 Single-mode optical fibres for tELecommunication—Part 4: Characteristics of a dispersion shifted single-mode optical fibre
    通信用单模光纤 第4部分：色散位移单模光纤特性    		 China National Standards
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    GB/T 9771.3-2020 Single-mode optical fibres for tELecommunication—Part 3: Characteristics of an extended wavelength band dispersion unshifted single-mode optical fibre
    通信用单模光纤 第3部分：波长段扩展的非色散位移单模光纤特性    		 China National Standards
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    GB/T 9771.2-2020 Single-mode optical fibres for tELecommunication—Part 2: Characteristics of a cut-off wavelength shifted single-mode optical fibre
    通信用单模光纤 第2部分：截止波长位移单模光纤特性    		 China National Standards
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    GB/T 9771.1-2020 Single-mode optical fibres for tELecommunication—Part 1: Characteristics of a dispersion unshifted single-mode optical fibre
    通信用单模光纤 第1部分：非色散位移单模光纤特性    		 China National Standards
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    GB 4789.4-2016 National food safety standard -Microbiological examination of food-Examination of salmonELla
    食品安全国家标准 食品微生物学检验 沙门氏菌检验    		 China National Standards
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    GB/T 8704.10-2020 Ferrovanadium—Determination of silicon, manganese, phosphorus, aluminum, copper, chromium, nickEL and titanium contents— Inductively coupled plasma atomic emission spectrometric method
    钒铁 硅、锰、磷、铝、铜、铬、镍、钛含量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 8454-2020 Reduced ilmenite powder for wELding rob—Determination of ferrous iron content—Potassium dichromate titrimetric method
    焊条用还原钛铁矿粉 亚铁含量的测定 重铬酸钾滴定法    		 China National Standards
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    GB/T 6730.81-2020 Iron ores—Determination of multiple trace ELements—Inductively coupled plasma mass spectrometric method
    铁矿石 多种微量元素含量的测定 电感耦合等离子体质谱法    		 China National Standards
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    GB/T 5687.12-2020 Ferrochromium—Determination of phosphorus, aluminum, titanium, copper, manganese, calcium content—InductivELy coupled plasma atomic emission spectrometric method
    铬铁 磷、铝、钛、铜、锰、钙含量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 5226.7-2020 ELectrical safety of machinery—Electrical equipment of machines—Part 7: Requirements of industrial robot
    机械电气安全 机械电气设备 第7部分：工业机器人技术条件    		 China National Standards
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    GB/T 2900.103-2020 ELectrotechnical terminology—Generation,transmission and distribution of electrical energy—Dependability and quality of service of electric power systems
    电工术语 发电、输电及配电 电力系统可信性及服务质量    		 China National Standards
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    GB/T 2900.102-2020 ELectrotechnical terminology—Active assisted living
    电工术语 积极辅助生活    		 China National Standards
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    GB/T 223.37-2020 Iron, steEL and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
    钢铁及合金 氮含量的测定 蒸馏分离靛酚蓝分光光度法    		 China National Standards
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    GB 24155-2020 Safety specifications for ELectric motorcycles and electric mopeds
    电动摩托车和电动轻便摩托车安全要求    		 China National Standards
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    GB 9706.203-2020 Medical ELectrical equipment—Part 2-3: Particular requirements for the basic safety and essential performance of short-wave therapy equipment
    医用电气设备 第2-3部分：短波治疗设备的基本安全和基本性能专用要求    		 China National Standards
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    GB 7300.203-2020 Feed additive—Part 2：Vitamins, provitamins and chemically wELl-defined substances having similar effect—Betaine
    饲料添加剂 第2部分：维生素及类维生素 甜菜碱    		 China National Standards
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    GB 4789.1-2016 National food safety standard Food microbiological examination:General guidELines
    食品安全国家标准 食品微生物学检验 总则    		 China National Standards
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    GB 38032-2020 ELectric buses safety requirements
    电动客车安全要求    		 China National Standards
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    GB 38031-2020 ELectric vehicles traction battery safety requirements
    电动汽车用动力蓄电池安全要求    		 China National Standards
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    GB 18384-2020 ELectric vehicles safety requirements
    电动汽车安全要求    		 China National Standards
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    GB/T 38770-2020 Spheroidite examination and grading for low and medium carbon steELs
    低、中碳钢球化组织检验及评级    		 China National Standards
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    GB/T 38757-2020 Specifications for facility agricultural microclimate observation—HELiogreenhouse and plastic tunnel
    设施农业小气候观测规范 日光温室和塑料大棚    		 China National Standards
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    GB/T 38750.1-2020 Reciprocating internal combustion engine energy efficiency evaluating specifications—Part 1:DiesEL engines
    往复式内燃机能效评定规范 第1部分：柴油机    		 China National Standards
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    GB/T 38744-2020 Methods for chemical analysis of synergistic catalysis ELements in automotive exhaust catalysis－Determination of cerium, lanthanum, praseodymium, neodymium ,barium and zirconium contents－Inductively coupled plasma atomic emission spectrometry
    机动车尾气净化器中助剂元素化学分析方法 铈、镧、镨、钕、钡、锆含量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 38743-2020 Vocabulary of waste/old wood and wood-based panELs
    废旧木材与人造板术语    		 China National Standards
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    GB/T 38674-2020 Information security technology—GuidELine on secure coding of application software
    信息安全技术 应用软件安全编程指南    		 China National Standards
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    GB/T 38670-2020 IntELligent manufacturing—Radio frequency identification system—Tag data format
    智能制造 射频识别系统 标签数据格式    		 China National Standards
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    GB/T 38669-2020 Internet of things—General technical requirements for mine production line intELligent supervisory system
    物联网 矿山产线智能监控系统总体技术要求    		 China National Standards
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    GB/T 38668-2020 IntELligent manufacturing－Radio frequency identification system—General technical requirements
    智能制造 射频识别系统 通用技术要求    		 China National Standards
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    GB/T 38648-2020 Information security technology—GuidELine to bluetooth security
    信息安全技术 蓝牙安全指南    		 China National Standards
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    GB/T 38641-2020 Information technology—TELecommunications and information exchange between systems—Media access control and physical layer specifications for low power wide area network
    信息技术 系统间远程通信和信息交换 低功耗广域网媒体访问控制层和物理层规范    		 China National Standards
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    GB/T 38632-2020 Information security technology—Security requirements for application of intELligent audio-video recording device
    信息安全技术 智能音视频采集设备应用安全要求    		 China National Standards
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    GB/T 38628-2020 Information security technology—Cybersecurity guide for automotive ELectronics systems
    信息安全技术 汽车电子系统网络安全指南    		 China National Standards
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    GB/Z 38623-2020 IntELligent manufacturing—Human-computer interaction system—Technological requirements of semantic library
    智能制造 人机交互系统 语义库技术要求    		 China National Standards
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    GB/T 38620-2020 Methods of evaluating the performance of ultrasonic levELmeter
    物位计性能评定方法    		 China National Standards
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    GB/T 38618-2020 Information technology—TELecommunications and information exchange between systems—Specification for high reliability and low latency wireless network communication protocol
    信息技术 系统间远程通信和信息交换高可靠低时延的无线网络通信协议规范    		 China National Standards
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    GB/T 38617-2020 Industrial-process measurement and control instruments terminology—LevEL measuring instruments terminology
    工业自动化仪表术语 物位仪表术语    		 China National Standards
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    GB/T 38615-2020 General specification of ultrasonic levELmeter
    超声波物位计通用技术条件    		 China National Standards
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    GB/T 38206.2-2020 Methods to assess the rELiability of pneumatic components—Part 2: Directional control valve
    气动元件可靠性评估方法 第2部分：换向阀    		 China National Standards
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    GB/T 37414.2-2020 ELectrical equipment and system of industrial robot—Part 2: Requirements for AC servo driver device
    工业机器人电气设备及系统 第2部分：交流伺服驱动装置技术条件     		China National Standards
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    GB/T 37414.3-2020 ELectrical equipment and system of industrial robot—Part 3 : Requirements for AC servo motor
    工业机器人电气设备及系统 第3部分：交流伺服电动机技术条件    		 China National Standards
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    GB/T 31396.3-2020 Machine tools—Dimensions and geometric tests for sELf-centring chucks with two-piece jaws—Part 3:Power-operated chucks with serrated jaws
    机床 分离爪自定心卡盘尺寸和几何精度检验 第3部分：梳齿配合型动力卡盘    		 China National Standards
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    GB/T 38799-2020 Technical requirement for security of broadband customer network equipment based on public tELecommunication network—Broadband customer gateway
    基于公用电信网的宽带客户网络设备安全技术要求 宽带客户网关    		 China National Standards
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    GB/T 38797-2020 Test method for security of broadband customer network equipment based on public tELecommunication network—Broadband customer gateway
    基于公用电信网的宽带客户网络设备安全测试方法 宽带客户网关    		 China National Standards
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    GB/T 38791-2020 Oral care and cleansing products—Determination of boric acid and borates in toothpastes—InductivELy coupled plasma atomic emission spectrometry
    口腔清洁护理用品 牙膏中硼酸和硼酸盐含量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 38789-2020 Oral care and cleansing products—Determination of 10 ELements in toothpaste—Inductively coupled？plasma mass spectrometry
    口腔清洁护理用品 牙膏中10种元素含量的测定 电感耦合等离子体质谱法    		 China National Standards
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    GB/T 38788-2020 Technical specification for establishment of porcine pluripotent stem cELls
    猪多能干细胞建系技术规范    		 China National Standards
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    GB/T 38777-2020 Technical requirements and methods of measurement for digital terrestrial tELevision external receiving module
    地面数字电视外接模块式接收终端技术要求和测量方法    		 China National Standards
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    GB/T 38776-2020 Classification and codes for ELectronic commerce software component
    电子商务软件构件分类与代码    		 China National Standards
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    GB/T 28239-2020 Limits and measurement methods for non-road diesEL engine specific fuel consumption
    非道路用柴油机燃料消耗率限值及试验方法    		 China National Standards
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    GB/T 28454-2020 Information technology－Security techniques－SELection, deployment and operation of intrusion detection and prevention systems(IDPS)
    信息技术 安全技术 入侵检测和防御系统（IDPS）的选择、部署和操作    		 China National Standards
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    GB/T 24637.1-2020 Geometrical product specifications (GPS)—General concepts—Part 1: ModEL for geometrical specification and verification
    产品几何技术规范（GPS） 通用概念 第1部分：几何规范和检验的模型    		 China National Standards
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    GB/T 22864-2020 TowELs
    毛巾    		 China National Standards
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    GB/T 21833.2-2020 Seamless austenitic-ferritic (duplex) stainless steEL tubes and pipes—Part 2: Pipes for fluid service
    奥氏体-铁素体型双相不锈钢无缝钢管 第2部分：流体输送用管    		 China National Standards
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    GB/T 21833.1-2020 Seamless austenitic-ferritic (duplex) stainless steEL tubes and pipes—Part 1: Tubes for heat exchanger
    奥氏体-铁素体型双相不锈钢无缝钢管 第1部分：热交换器用管    		 China National Standards
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    GB/T 20308-2020 Geometrical product specifications(GPS)—Matrix modEL
    产品几何技术规范（GPS） 矩阵模型    		 China National Standards
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    GB/T 19725.2-2020 Agricultural and forestry machinery — Safety requirements and testing for portable, hand-hELd ,powered brush-cutters and grass-trimmers — Part 2: Machines for use with back-pack power unit
    农林机械 便携式割灌机和割草机安全要求和试验 第2部分：背负式动力机械    		 China National Standards
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    GB/T 19725.1-2020 Agricultural and forestry machinery—Safety requirements and testing for portable,hand-hELd,powered brush-cutters and grass-trimmers—Part 1:Machines fitted with an integral combustion engine
    农林机械 便携式割灌机和割草机安全要求和试验 第1部分：侧挂式动力机械    		 China National Standards
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    GB/T 5770-2020 Jerk fuEL injection pump for diesel engine—Specifications
    柴油机柱塞式喷油泵总成 技术条件    		 China National Standards
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    GB/T 5226.34-2020 ELectrical safety of machinery—Electrical equipment of machines—Part 34: Requirements for machine tools
    机械电气安全 机械电气设备 第34部分：机床技术条件    		 China National Standards
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    GB/T 5095.2509-2020 ELectromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-9: Signal integrity tests－Test 25i: Alien crosstalk
    电子设备用机电元件 基本试验规程及测量方法 第25-9部分：信号完整性试验 试验25i：外来串扰    		 China National Standards
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    GB/T 5095.2506-2020 ELectromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-6：Test 25f：Eye pattern and jitter
    电子设备用机电元件 基本试验规程及测量方法 第25-6部分：试验25f：眼图和抖动    		 China National Standards
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    GB/T 38961-2020 Personal health information code-Reference modEL
    个人健康信息码 参考模型    		 China National Standards
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    GB/T 4334-2020 Corrosion of metals and alloys－Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steELs
    金属和合金的腐蚀 奥氏体及铁素体-奥氏体（双相）不锈钢晶间腐蚀试验方法    		 China National Standards
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    GB/T 3090-2020 Seamless small diameter stainless steEL tubes
    不锈钢小直径无缝钢管    		 China National Standards
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    GB/T 3089-2020 Seamless ultra-thin wall stainless steEL tubes
    不锈钢极薄壁无缝钢管    		 China National Standards
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    GB/T 38090-2019 Technical requirements of permanent magnets for drive motor of ELectric vehicle
    电动汽车驱动电机用永磁材料技术要求    		 China National Standards
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    GB/T 38775.3-2020 ELectric vehicle wireless power transfer—Part 3: Specific requirements
    电动汽车无线充电系统 第3部分：特殊要求    		 China National Standards
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    GB/T 19836-2019 Instrumentation for ELctric vehicles
    电动汽车仪表    		 China National Standards
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    GB/T 38117-2019 ELectric vehicles product description—Emergency rescue
    电动汽车产品使用说明 应急救援    		 China National Standards
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    GB/T 38775.1-2020 ELectric vehicle wireless power transfer—Part 1:General requirements
    电动汽车无线充电系统 第1部分：通用要求    		 China National Standards
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    GB/T 38775.4-2020 ELectric vehicle wireless power transfer—Part 4：Limits and test methods of electromagnetic environment
    电动汽车无线充电系统 第4部分：电磁环境限值与测试方法    		 China National Standards
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    GB/T 38775.2-2020 ELectric vehicle wireless power transfer—Part 2: Communication protocols between on-board charger and wireless power transfer device
    电动汽车无线充电系统 第2部分：车载充电机和无线充电设备之间的通信协议    		 China National Standards
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    GB 9706.1-2020 Medical ELectrical equipment—Part 1: General requirements for basic safety and essential performance
    医用电气设备 第1部分：基本安全和基本性能的通用要求    		 China National Standards
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    GB 9706.212-2020 Medical ELectrical equipment—Part 2-12: Particular requirements for basic safety and essential performance of critical care ventilators
    医用电气设备 第2-12部分：重症护理呼吸机的基本安全和基本性能专用要求    		 China National Standards
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    GB 9706.237-2020 Medical ELectrical equipment—Part 2-37: Particular requirements for the basic safety and essential performance of ultrasonic medical diagnostic and monitoring equipment
    医用电气设备 第2-37部分：超声诊断和监护设备的基本安全和基本性能专用要求    		 China National Standards
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    GB/T 38720-2020 Microstructure examination of medium-carbon steEL and medium-carbon alloy structural steel after quenching
    中碳钢与中碳合金结构钢淬火金相组织检验    		 China National Standards
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