China National Standards

China Electrical GB Standards English PDF List


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 "Electrical" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 26572-2011 Requirements for Limits of Restricted Substances in Electrical and Electronic Products (Amendment No. 1)
    电子电气产品中限用物质的限量要求《第1号修改单》
    China National Standards
    Electrical

    English PDF
    GB/T 39560.12-2024 Determination of certain substances in electronic and Electrical products-Part 12: Simultaneous determination of polybrominated biphenyls, polybrominated diphenyl ethers and phthalates in polymers by gas chromatography-mass spectrometry
    电子电气产品中某些物质的测定-第12部分:气相色谱-质谱法同时测定聚合物中的多溴联苯、多溴二苯醚和邻苯二甲酸酯
    China National Standards
    Electrical

    English PDF
    GB/T 5169.23-2024 Fire hazard tests for Electrical and electronic products - Part 23: Test flame - 500W vertical flame test method for polymer tubular materials
    电工电子产品着火危险试验-第23部分:试验火焰-聚合物管形材料500W垂直火焰试验方法
    China National Standards
    Electrical

    English PDF
    GB/T 14048.9-2024 Low-voltage switchgear and control equipment-Part 6-2: Multifunctional Electrical appliances-Control and protection switchgear (equipment) (CPS)
    低压开关设备和控制设备-第6-2部分:多功能电器-控制与保护开关电器(设备)(CPS)
    China National Standards
    Electrical

    English PDF
    GB/T 26669-2024 Environmental awareness design of Electrical and electronic products-Terminology
    电工电子产品环境意识设计-术语
    China National Standards
    Electrical

    English PDF
    GB/T 9536.1-2024 Electromechanical switches for Electrical and electronic equipment-Part 1: General specifications
    电气和电子设备用机电开关-第1部分:总规范
    China National Standards
    Electrical

    English PDF
    GB/T 33348-2024 Voltage source converter valves for high-voltage direct current transmission - Electrical tests
    高压直流输电用电压源换流器阀-电气试验
    China National Standards
    Electrical

    English PDF
    GB/T 44076-2024 Nanotechnology-Test methods for Electrical properties of carbon nanotubes
    纳米技术-碳纳米管电学特性测试方法
    China National Standards
    Electrical

    English PDF
    GB/Z 43963-2024 Guide to determining the values ​​of Electrical clearances, creepage distances and solid insulation requirements for equipment with rated voltages above 1000V to 2000V AC and above 1500V to 3000V DC
    确定额定电压在交流1000V以上至2000V,直流1500V以上至3000V间设备的电气间隙、爬电距离的数值以及对固体绝缘要求的指南
    China National Standards
    Electrical

    English PDF
    GB/T 14048.11-2024 Low-voltage switchgear and controlgear-Part 6-1: Multi-function Electrical appliances-Transfer switchgear
    低压开关设备和控制设备-第6-1部分:多功能电器-转换开关电器
    China National Standards
    Electrical

    English PDF
    GB/T 17215.301-2024 Electrical measuring equipment (AC) - Particular requirements - Part 1: Multifunctional electric Energy table
    电测量设备(交流)-特殊要求-第1部分:多功能电能表
    China National Standards
    Electrical

    English PDF
    GB/T 17215.302-2024 Electrical measuring equipment (AC) - Particular requirements - Part 2: Static harmonic active energy meters
    电测量设备(交流)-特殊要求-第2部分:静止式谐波有功电能表
    China National Standards
    Electrical

    English PDF
    GB/T 17737.119-2024 Coaxial communication cables - Part 1-119: Electrical test methods - Radio frequency power of coaxial cables and cable assemblies
    同轴通信电缆-第1-119部分:电气试验方法-同轴电缆及电缆组件的射频功率
    China National Standards
    Electrical

    English PDF
    GB/T 17937-2024 Aluminum clad steel wire for Electrical purposes
    电工用铝包钢线
    China National Standards
    Electrical

    English PDF
    GB/T 25392-2024 Agricultural engineering - Electrical and electrical Sub-equipment - Environmental resistance test
    农业工程-电气和电子设备-耐环境试验
    China National Standards
    Electrical

    English PDF
    GB/T 2900.17-2024 Electrical terminology - Measuring relays and protective devices
    电工术语-量度继电器和保护设备
    China National Standards
    Electrical

    English PDF
    GB/T 33352-2024 General application rules for screening restricted substances in electronic and Electrical products-X-ray fluorescence spectrometry
    电子电气产品中限用物质筛选应用通则-X射线荧光光谱法
    China National Standards
    Electrical

    English PDF
    GB/T 34924-2024 Guidelines for safety risk assessment and risk reduction of low-voltage Electrical equipment
    低压电气设备安全风险评估和风险降低指南
    China National Standards
    Electrical

    English PDF
    GB/T 4074.5-2024 Test methods for winding wires - Part 5: Electrical properties
    绕组线试验方法-第5部分:电性能
    China National Standards
    Electrical

    English PDF
    GB/T 43860.1210-2024 Touch and Interactive Display-Part 12-10: Touch Display Test Method-Touch and Electrical Performance
    触摸和交互显示-第12-10部分:触摸显示测试方法-触摸和电性能
    China National Standards
    Electrical

    English PDF
    GB/T 43867-2024 Electrical transportation equipment - terminology and classification
    电气运输设备-术语和分类
    China National Standards
    Electrical

    English PDF
    GB/T 43974-2024 General specifications for cargo Electrical transportation equipment
    载物电气运输设备通用规范
    China National Standards
    Electrical

    English PDF
    GB/T 3953-2024 Electrical round copper wire
    电工圆铜线
    China National Standards
    Electrical

    English PDF
    GB/T 20845-2024 Small boat- Inboard diesel engines - Engine-mounted fuel, lubricants and Electrical components
    小艇-舷内柴油机-机装燃油、润滑油和电气部件
    China National Standards
    Electrical

    English PDF
    GB/T 43800-2024 Marine Electrical and electronic equipment-electromagnetic compatibility-non-metallic ships
    船舶电气与电子装置-电磁兼容性-非金属船舶
    China National Standards
    Electrical

    English PDF
    GB/T 43815-2024 Uniform polyvinyl chloride (PVC-U) insulated Electrical conduits and accessories for construction
    建筑用硬聚氯乙烯(PVC-U)绝缘电工套管及配件
    China National Standards
    Electrical

    English PDF
    GB/T 43727-2024 Thyristor valves for thyristor controlled series capacitors (TCSC)-Electrical test
    晶闸管控制串联电容器(TCSC)用晶闸管阀-电气试验
    China National Standards
    Electrical

    English PDF
    GB/T 43661-2024 Surface chemical analysis - Scanning probe microscopy - Definition and calibration of spatial resolution of Electrical scanning probe microscopes (ESPM, such as SSRM and SCM) for two-dimensional imaging of dopants, etc.
    表面化学分析-扫描探针显微术-用于二维掺杂物成像等用途的电扫描探针显微镜(ESPM,如SSRM和SCM)空间分辨的定义和校准
    China National Standards
    Electrical

    English PDF
    GB/T 3836.18-2024 Explosive atmospheres-Part 18: Intrinsically safe Electrical systems
    爆炸性环境-第18部分:本质安全电气系统
    China National Standards
    Electrical

    English PDF
    GB/T 43750-2024 Coaxial communication cable-Part 1-113:-Electrical test methods-Attenuation constant test
    各向同性稀土粘结永磁粉磁特性测量方法
    China National Standards
    Electrical

    English PDF
    GB/T 43786-2024 Audio, video and information technology equipment - Routine Electrical safety tests during production
    音频、视频和信息技术设备-生产过程中的例行电气安全试验
    China National Standards
    Electrical

    English PDF
    GB/T 43813-2024 General graphic signs for household and similar Electrical appliances
    家用和类似用途电器的通用图形标志
    China National Standards
    Electrical

    English PDF
    GB/T 43527-2023 Ship Electrical equipment Electromagnetic compatibility Optimization of ship cable laying Test methods for laying spacing
    船舶电气设备 电磁兼容性 船舶电缆敷设优化 敷设间距的试验方法
    China National Standards
    Electrical

    English PDF
    GB/T 29627.3-2023 Polyaramid fiber paperboard for Electrical applications Part 3: Individual material specifications
    电气用聚芳酰胺纤维纸板 第3部分:单项材料规范
    China National Standards
    Electrical

    English PDF
    GB/T 25444.6-2023 Mobile and fixed offshore installations Electrical installations Part 6: Installation
    移动式和固定式近海设施 电气装置 第6部分:安装
    China National Standards
    Electrical

    English PDF
    GB/T 25444.5-2023 Mobile and fixed offshore installations Electrical installations Part 5: Mobile installations
    移动式和固定式近海设施 电气装置 第5部分:移动设施
    China National Standards
    Electrical

    English PDF
    GB/T 25444.3-2023 Mobile and fixed offshore installations Electrical installations Part 3: Equipment
    移动式和固定式近海设施 电气装置 第3部分:设备
    China National Standards
    Electrical

    English PDF
    GB/T 25022.3-2023 Rail transit rolling stock Electrical connectors Part 3: Communication control connectors
    轨道交通 机车车辆电连接器 第3部分:通信控制连接器
    China National Standards
    Electrical

    English PDF
    GB/T 15022.10-2023 Resin-based reactive compounds for Electrical insulation Part 10: Polyesterimide resin compounds
    电气绝缘用树脂基活性复合物 第10部分:聚酯亚胺树脂复合物
    China National Standards
    Electrical

    English PDF
    GB/T 9089.3-2023 Electrical installations under severe outdoor conditions Part 3: General requirements for equipment and accessories
    户外严酷条件下的电气设施 第3部分:设备及附件的一般要求
    China National Standards
    Electrical

    English PDF
    GB/T 7000.212-2023 Lighting Fixtures Part 2-12: Special Requirements Night Lights for Electrical Socket Mounting
    灯具 第2-12部分:特殊要求 电源插座安装的夜灯
    China National Standards
    Electrical

    English PDF
    GB/T 5465.2-2023 Graphical symbols for Electrical equipment Part 2: Graphical symbols
    电气设备用图形符号 第2部分:图形符号
    China National Standards
    Electrical

    English PDF
    GB/Z 43345-2023 Vocabulary of graphic symbols for Electrical equipment
    电气设备用图形符号词汇
    China National Standards
    Electrical

    English PDF
    GB/T 21413.5-2023 Rail transit - Electrical equipment for rolling stock - Part 5: Electrical devices - High voltage fuse rules
    轨道交通 机车车辆电气设备 第5部分:电工器件 高压熔断器规则
    China National Standards
    Electrical

    English PDF
    GB/T 21413.4-2023 Rail transit - Electrical equipment for rolling stock - Part 4: Electrical components - Rules for AC circuit breakers
    轨道交通 机车车辆电气设备 第4部分:电工器件 交流断路器规则
    China National Standards
    Electrical

    English PDF
    GB/T 21413.3-2023 Rail transit - Electrical equipment for rolling stock - Part 3: Electrical devices - Rules for DC circuit breakers
    轨道交通 机车车辆电气设备 第3部分:电工器件 直流断路器规则
    China National Standards
    Electrical

    English PDF
    GB/T 12940-2023 Silver graphite Electrical contacts technical conditions
    银石墨电触头技术条件
    China National Standards
    Electrical

    English PDF
    GB/T 2900.65-2023 Electrical Terminology Lighting
    电工术语 照明
    China National Standards
    Electrical

    English PDF
    GB/T 43342-2023 Safety requirements for automatic controllers of household and similar Electrical appliances with remote operation functions
    带有远程操作功能的家用和类似用途电器自动控制器的安全要求
    China National Standards
    Electrical

    English PDF
    GB/T 31467-2023 Test method for Electrical performance of lithium-ion power battery packs and systems for electric vehicles
    电动汽车用锂离子动力电池包和系统电性能试验方法
    China National Standards
    Electrical

    English PDF
    GB/T 40853.2-2023 High frequency inductive components Electrical characteristics and measurement methods Part 2: Rated current of inductors for DC-DC converters
    高频感性元件 电特性及其测量方法 第2部分:DC-DC变换器用电感器额定电流
    China National Standards
    Electrical

    English PDF
    GB/T 21218-2023 Unused silicon insulating liquid for Electrical use
    电气用未使用过的硅绝缘液体
    China National Standards
    Electrical

    English PDF
    GB/T 19520.22-2023 Mechanical structures of Electrical and electronic equipment 482.6 mm (19 in) series mechanical structural dimensions Part 3-110: Residential racks and cabinets for smart homes
    电气和电子设备机械结构 482.6 mm(19 in)系列机械结构尺寸 第3-110部分:智慧房屋用住宅机架和机柜
    China National Standards
    Electrical

    English PDF
    GB/T 19520.21-2023 Mechanical Structure of Electrical and Electronic Equipment 482.6 mm (19 in) Series Mechanical Structure Dimensions Part 3-109: Chassis Dimensions of Embedded Computing Devices
    电气和电子设备机械结构 482.6 mm(19 in)系列机械结构尺寸 第3-109部分:嵌入式计算设备的机箱尺寸
    China National Standards
    Electrical

    English PDF
    GB/T 19520.20-2023 Mechanical structure of Electrical and electronic equipment 482.6 mm (19 in) series mechanical structural dimensions Part 3-108: Dimensions of R-type sub-boxes and plug-ins
    电气和电子设备机械结构 482.6 mm(19 in)系列机械结构尺寸 第3-108部分:R型插箱和插件的尺寸
    China National Standards
    Electrical

    English PDF
    GB/T 43347-2023 Monitoring of environmental parameters of Electrical, instrumentation and control equipment important for nuclear power plant safety
    核电厂安全重要电气、仪表与控制设备环境参数的监测
    China National Standards
    Electrical

    English PDF
    GB/Z 43036-2023 Rotating Electrical machines - Measurement of end vibration of stator formed windings
    旋转电机 定子成型绕组端部振动的测量
    China National Standards
    Electrical

    English PDF
    GB/Z 20833.5-2023 Rotating Electrical machines - Winding insulation - Part 5: Offline measurement of partial discharge onset voltage under repeated impulse voltages
    旋转电机 绕组绝缘 第5部分:重复冲击电压下局部放电起始电压的离线测量
    China National Standards
    Electrical

    English PDF
    GB/T 5169.34-2023 Fire hazard tests for Electrical and electronic products Part 34: Guidelines for fire hazard assessment Ignitability Summary and relevance of test methods
    电工电子产品着火危险试验 第34部分:着火危险评定导则 起燃性 试验方法概要和相关性
    China National Standards
    Electrical

    English PDF
    GB/T 5169.33-2023 Fire hazard test for Electrical and electronic products Part 33: Guidelines for fire hazard assessment Ignitability General principles
    电工电子产品着火危险试验 第33部分: 着火危险评定导则 起燃性 总则
    China National Standards
    Electrical

    English PDF
    GB/T 43192.1-2023 Road vehicles - Digital information exchange for Electrical connections between tractors and trailers - Part 1: Physical layer and data link layer
    道路车辆 牵引车和挂车电气连接的数字信息交互 第1部分:物理层和数据链路层
    China National Standards
    Electrical

    English PDF
    GB/T 43190-2023 Technical specifications for evaluation of eco-design products Electrical accessories
    生态设计产品评价技术规范 电器附件
    China National Standards
    Electrical

    English PDF
    GB/T 42847.3-2023 Reversible mode fuel cell modules for energy storage systems Part 3: Electrical energy storage system performance test methods
    储能系统用可逆模式燃料电池模块 第3部分:电能储存系统性能测试方法
    China National Standards
    Electrical

    English PDF
    GB/T 33014.11-2023 Road vehicles - Test methods for immunity of Electrical/electronic components to narrowband radiated electromagnetic energy - Part 11: Reverberation chamber method
    道路车辆 电气/电子部件对窄带辐射电磁能的抗扰性试验方法 第11部分:混响室法
    China National Standards
    Electrical

    English PDF
    GB/T 24976-2023 Environmentally conscious design guidelines for Electrical accessories
    电器附件环境意识设计导则
    China National Standards
    Electrical

    English PDF
    GB/T 24975-2023 Environmentally Aware Design Guidelines for Low Voltage Electrical Appliances
    低压电器环境意识设计导则
    China National Standards
    Electrical

    English PDF
    GB/T 19214.1-2023 Electrical accessories Residual current monitors (RCM) Part 1: Residual current monitors for household and similar purposes
    电器附件 剩余电流监视器(RCM) 第1部分:家用和类似用途剩余电流监视器
    China National Standards
    Electrical

    English PDF
    GB/T 16895.35-2023 Low-voltage Electrical installations Part 8-1: Functional aspects Energy efficiency
    低压电气装置 第 8-1 部分:功能方面 能源效率
    China National Standards
    Electrical

    English PDF
    GB/T 28561-2023 Ship Electrical equipment Automation, control and measuring instruments
    船舶电气设备 自动化、控制和测量仪表
    China National Standards
    Electrical

    English PDF
    GB/T 34215-2023 Cold-rolled non-oriented Electrical steel strip (sheet) for electric vehicle drive motor
    电动汽车驱动电机用冷轧无取向电工钢带(片)
    China National Standards
    Electrical

    English PDF
    GB/T 20138-2023 Protection level of Electrical equipment enclosures against external mechanical impact (IK code)
    电器设备外壳对外界机械碰撞的防护等级(IK代码)
    China National Standards
    Electrical

    English PDF
    GB/T 10593.2-2023 Measurement methods for environmental parameters of Electrical and electronic products Part 2: Salt spray
    电工电子产品环境参数测量方法 第2部分:盐雾
    China National Standards
    Electrical

    English PDF
    GB 19517-2023 National Electrical Equipment Safety Technical Code
    国家电气设备安全技术规范
    China National Standards
    Electrical

    English PDF
    GB/T 20320-2023 Wind power generation systems - Methods for measuring and evaluating Electrical characteristics of wind turbines
    风能发电系统 风力发电机组电气特性测量和评估方法
    China National Standards
    Electrical

    English PDF
    GB/T 42599-2023 Wind power generation system Electrical simulation model verification
    风能发电系统 电气仿真模型验证
    China National Standards
    Electrical

    English PDF
    GB/T 9089.2-2023 Electrical installations under severe outdoor conditions - Part 2: General protection requirements
    户外严酷条件下的电气设施 第2部分:一般防护要求
    China National Standards
    Electrical

    English PDF
    GB/T 42683-2023 Ships and marine technology - Test requirements for Electrically heated handrails
    船舶与海上技术 电加热扶手试验要求
    China National Standards
    Electrical

    English PDF
    GB/T 42691.8-2023 Road vehicles - Local area interconnect network (LIN) - Part 8: Electrical physical layer (EPL) specification: Local area interconnect network (DC-LIN) on DC power lines
    道路车辆 局域互联网络(LIN) 第8部分:电气物理层(EPL)规范:直流电源线上的局域互联网络(DC-LIN)
    China National Standards
    Electrical

    English PDF
    GB/T 42691.7-2023 Road vehicles - Local area interconnect network (LIN) - Part 7: Electrical physical layer (EPL) conformance test specification
    道路车辆 局域互联网络(LIN) 第7部分:电气物理层(EPL)一致性测试规范
    China National Standards
    Electrical

    English PDF
    GB/T 42691.4-2023 Road vehicles - Local area interconnect network (LIN) - Part 4: 12V/24V Electrical physical layer specification
    道路车辆 局域互联网络(LIN) 第4部分:12V/24V电气物理层规范
    China National Standards
    Electrical

    English PDF
    GB/T 42558.1-2023 Anti-seismic technology for Electrical equipment of converter stations used on plateaus Part 1: Guidelines for anti-seismic tests and evaluations
    高原用换流站电气设备抗震技术 第1部分:抗震试验及评价导则
    China National Standards
    Electrical

    English PDF
    GB/T 12727-2023 Appraisal of Electrical equipment important to safety in nuclear power plants
    核电厂安全重要电气设备鉴定
    China National Standards
    Electrical

    English PDF
    GB/T 5291.1-2023 Electrical discharge forming machine tools - Accuracy inspection - Part 1: Single column machine tools (cross table type and fixed table type)
    电火花成形机床 精度检验 第1部分:单立柱机床(十字工作台型和固定工作台型)
    China National Standards
    Electrical

    English PDF
    GB/T 4214.5-2023 Noise test methods for household and similar Electrical appliances - Particular requirements for electric shavers, electric hair clippers and hair trimmers
    家用和类似用途电器噪声测试方法 电动剃须刀、电理发剪及修发器的特殊要求
    China National Standards
    Electrical

    English PDF
    GB/T 2317.4-2023 Test methods for Electrical fittings - Part 4: Rules for acceptance
    电力金具试验方法 第4部分:验收规则
    China National Standards
    Electrical

    English PDF
    GB/T 4214.3-2023 Test methods for noise from household and similar Electrical appliances - Particular requirements for dishwashers
    家用和类似用途电器噪声测试方法 洗碗机的特殊要求
    China National Standards
    Electrical

    English PDF
    GB/T 42324-2023 Cable glands for Electrical installations
    电气装置用电缆密封头
    China National Standards
    Electrical

    English PDF
    GB/T 42325-2023 Electrical interface specification for phase-cut dimmers in phase-cut dimming lighting systems
    切相调光照明系统中切相调光器的电气接口规范
    China National Standards
    Electrical

    English PDF
    GB/T 42394-2023 Cable clamps for Electrical installations
    电气装置用电缆夹具
    China National Standards
    Electrical

    English PDF
    GB/T 19215.5-2023 Cable duct systems for Electrical installations - Part 2: Particular requirements - Section 3: Grooved cable duct systems for installation in cabinets
    电气安装用电缆槽管系统 第2部分:特殊要求 第3节:安装在机柜中的带槽电缆线槽系统
    China National Standards
    Electrical

    English PDF
    GB/T 42125.14-2023 Safety requirements for Electrical equipment for measurement, control and laboratory use - Part 14: Particular requirements for automatic and semi-automatic laboratory equipment for analysis and other purposes
    测量、控制和实验室用电气设备的安全要求 第14部分:实验室用分析和其他目的自动和半自动设备的特殊要求
    China National Standards
    Electrical

    English PDF
    GB 9706.204-2022 Medical Electrical equipment - Part 2-4: Particular requirements for basic safety and essential performance of cardiac defibrillators
    医用电气设备 第2-4部分:心脏除颤器的基本安全和基本性能专用要求
    China National Standards
    Electrical

    English PDF
    GB/T 20111.6-2022 Electrical insulation systems - Thermal assessment procedures - Part 6: Multifactorial assessment with additional factors in diagnostic tests
    电气绝缘系统 热评定规程 第6部分:在诊断试验中增加因子的多因子评定
    China National Standards
    Electrical

    English PDF
    GB/T 16895.25-2022 Low-Voltage Electrical Installations Part 7-711: Requirements for Special Installations or Locations Exhibitions, Displays and Exhibition Areas
    低压电气装置 第7-711部分:特殊装置或场所的要求 展览、展示及展区
    China National Standards
    Electrical

    English PDF
    GB/T 15022.9-2022 Resin-based reactive compounds for Electrical insulation - Part 9: Resins for cable accessories
    电气绝缘用树脂基活性复合物 第9部分:电缆附件用树脂
    China National Standards
    Electrical

    English PDF
    GB/T 20632.3-2022 Steel paper for Electrical purposes - Part 3: Flat steel paper
    电气用钢纸 第3部分:平板钢纸
    China National Standards
    Electrical

    English PDF
    GB/T 20632.2-2022 Steel paper for Electrical purposes - Part 2: Test methods
    电气用钢纸 第2部分:试验方法
    China National Standards
    Electrical

    English PDF
    GB/T 41632-2022 Insulating fluids Unused synthetic organic esters for Electrical purposes
    绝缘液体 电气用未使用过的合成有机酯
    China National Standards
    Electrical

    English PDF
    GB/T 10962-2022 General rules for reliability evaluation of machine tool Electrical appliances
    机床电器可靠性评价通则
    China National Standards
    Electrical

    English PDF
    GB/T 1303.12-2022 Industrial rigid laminates of thermosetting resins for Electrical purposes - Part 12: Typical values
    电气用热固性树脂工业硬质层压板 第12部分:典型值
    China National Standards
    Electrical

    English PDF

    Find out:1700Items   |  To Page of: First -Previous-Next -Last  | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

     

    +86-755-25831330        sales@gbstandards.org 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2024 All Rights Reserved

    - Since 2001 -
    Focus on China Standards & Compliance Services

    www.gbstandards.org

    China National Standards