China National Standards

China C 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 "C" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB 2099.5-2008 Plugs and soCket-outlets for household and similar purposes - Part 2: Particular requirements for switched socket-outlets with interlock for fixed installations
    家用和类似用途插头插座 第2部分:固定式有联锁带开关插座的特殊要求
    China National Standards
    C

    English PDF
    GB 2099.4-2008 Plugs and soCket-outlets for household and similar purposes - Part 2: Particular requirements for switched socket-outlets without interlock for fixed installations
    家用和类似用途插头插座 第2部分:固定式无联锁带开关插座的特殊要求
    China National Standards
    C

    English PDF
    GB 20936.4-2008 EleCtrical apparatus for the detection and measurement of flammable gases - Part 4: Performance requirements for group II apparatus indicating a volume fraction up to 100% gas
    可燃性气体探测用电气设备 第4部分:显示气体体积含量至100%的II类探测器的性能要求
    China National Standards
    C

    English PDF
    GB 20041.21-2008 Conduit systems for cable management - Part 21: Particular requirement - Rigid conduit systems
    电缆管理用导管系统 第21部分:刚性导管系统的特殊要求
    China National Standards
    C

    English PDF
    GB 19214-2008 EleCtrical accessories - Residual current monitors for household and similar uses (RCM)
    电器附件 家用和类似用途剩余电流监视器
    China National Standards
    C

    English PDF
    GB 17466.24-2008 Boxes and enClosures for electrical accessories for household and similar fixed electrical installations - Part 24: Particular requirements for enclosures for housing pro tective devices and similar power consuming devices
    家用和类似用途固定式电气装置的电器附件安装盒和外壳 第24部分:住宅保护装置和类似电源功耗装置的外壳的特殊要求
    China National Standards
    C

    English PDF
    GB 17466.23-2008 Boxes and enClosures for electrical accessories for household and similar fixed electrical installations - Part 23: Particular requirements for floor boxe and enclosures
    家用和类似用途固定式电气装置的电器附件安装盒和外壳 第23部分:地面安装盒和外壳的特殊要求
    China National Standards
    C

    English PDF
    GB 17466.22-2008 Boxes and enClosures for electrical accessories for household and similar fixed electrical installations - Part 22: Particular requirements for connecting boxes and enclosures
    家用和类似用途固定式电气装置的电器附件安装盒和外壳 第22部分:连接盒与外壳的特殊要求
    China National Standards
    C

    English PDF
    GB 17466.21-2008 Boxes and enClosures for electrical accessories for household and similar fixed electrical installations - Part 21: Particular requirements for boxes and enclosures with provision for suspension means
    家用和类似用途固定式电气装置的电器附件安装盒和外壳 第21部分:用于悬吊装置的安装盒和外壳的特殊要求
    China National Standards
    C

    English PDF
    GB 17466.1-2008 Boxes and enClosures for electrical accessories for household and similar fixed electrical installations - Part 1: General requirements
    家用和类似用途固定式电气装置电器附件安装盒和外壳 第1部分:通用要求
    China National Standards
    C

    English PDF
    GB 17465.3-2008 ApplianCe couplers for household and similar general purposes - Part 2: Appliance couplers with a degree of protection higher than IPX0
    家用和类似用途器具耦合器 第2部分:防护等级高于IPX0的器具耦合器
    China National Standards
    C

    English PDF
    GB 14536.5-2008 AutomatiC electrical controls for household and similar use - Particular requirements for thermal motor protectors for motor-compressors of hermetic and semi-hermetic type
    家用和类似用途电自动控制器 密封和半密封电动机-压缩机用电动机热保护器的特殊要求
    China National Standards
    C

    English PDF
    GB 14536.4-2008 AutomatiC electrical controls for household and similar use - Particular requirements for thermal protectors for ballasts for tubular fluorescent lamps
    家用和类似用途电自动控制器 管形荧光灯镇流器热保护器的特殊要求
    China National Standards
    C

    English PDF
    GB 14536.21-2008 AutomatiC electrical controls for household and similar use - Particular requirements for electrically operated oil valves, including mechanical requirements
    家用和类似用途电自动控制器 电动油阀的特殊要求, 包括机械要求
    China National Standards
    C

    English PDF
    GB 14536.20-2008 AutomatiC electrical controls for household and similar use - Particular requirements for automatic electric water and air flow sensing controls, including mechanical requirements
    家用和类似用途电自动控制器 水流和气流敏感控制器的特殊要求, 包括机械要求
    China National Standards
    C

    English PDF
    GB 14536.15-2008 AutomatiC electrical controls for household and similar use - Particular requirements for humidity sensing controls
    家用和类似用途电自动控制器 湿度敏感控制器的特殊要求
    China National Standards
    C

    English PDF
    GB 14536.13-2008 AutomatiC electrical controls for household and similar use - Particular requirements for electrically operated door locks
    家用和类似用途电自动控制器 电动门锁的特殊要求
    China National Standards
    C

    English PDF
    GB 14536.11-2008 AutomatiC electrical controls for household and similar use - Particular requirements for motor-starting relays
    家用和类似用途电自动控制器 电动机用起动继电器的特殊要求
    China National Standards
    C

    English PDF
    GB 13140.5-2008 Connecting devices for low-voltage circuits for household and similar purposes - Part 2: Particular requirements for twist-on connecting devices
    家用和类似用途低压电路用的连接器件 第2部分:扭接式连接器件的特殊要求
    China National Standards
    C

    English PDF
    GB 13140.4-2008 Connecting devices for low voltage circuits for household and similar purposes - Part 2: Particular requirements for connecting devices as separate entities with insulation piercing clamping units
    家用和类似用途低压电路用的连接器件 第2部分:作为独立单元的带刺穿绝缘型夹紧件的连接器件的特殊要求
    China National Standards
    C

    English PDF
    GB 13140.3-2008 Connecting devices for low voltage circuitsfor household and similar purposes - Part 2: Particular requirements for connecting devices as separate entities with screwless-type clamping units
    家用和类似用途低压电路用的连接器件 第2部分:作为独立单元的带无螺纹型夹紧件的连接器件的特殊要求
    China National Standards
    C

    English PDF
    GB 13140.2-2008 Connecting devices for low voltage circuits for household and similar purposes - Part 2: Particular requirements for connecting devices as separate entities with screw-type clamping units
    家用和类似用途低压电路用的连接器件 第2部分:作为独立单元的带螺纹型夹紧件的连接器件的特殊要求
    China National Standards
    C

    English PDF
    GB 13140.1-2008 Connecting devices for low-voltage circuits for household and similar purposes - Part l: General requirements
    家用和类似用途低压电路用的连接器件 第1部分:通用要求
    China National Standards
    C

    English PDF
    GB 22794-2008 Type B residual Current operated circuit-breakers with and without integral overcurrent protection for household and similar uses (Type B RCCBs and Type B RCBOs)
    家用和类似用途的不带和带过电流保护的B型剩余电流动作断路器(B型RCCB和B型RCBO)
    China National Standards
    C

    English PDF
    GB 10963.2-2008 Circuit-breakers for overcurrent protection for household and similar installation - Part 2: Circuit-breakers for a.c. and d.c.operation
    家用及类似场所用过电流保护断路器 第2部分:用于交流和直流的断路器
    China National Standards
    C

    English PDF
    GB/T 23100-2008 Industrial rigid round winded tubes based on thermosetting resins for eleCtrical purposes
    电气用热固性树脂工业硬质玻璃纤维缠绕管
    China National Standards
    C

    English PDF
    GB/T 20634.4-2008 Non-impregnated densified laminated wood for eleCtrical purposes - Part 4: Specifications for individual materials - Rings produced from birch veneer
    电气用非浸渍致密层压木 第4部分:单项材料规范 由桦木薄片制成的环材
    China National Standards
    C

    English PDF
    GB/T 20634.3-2008 Non-impregnated densified laminated wood for eleCtrical purposes - Part 3: Specifications for individual materials - Sheets produced from birch veneer
    电气用非浸渍致密层压木 第3部分:单项材料规范 由桦木薄片制成的板材
    China National Standards
    C

    English PDF
    GB/T 20634.2-2008 Non-impregnated densified laminated wood for eleCtrical purposes - Part 2: Methods of test
    电气用非浸渍致密层压木 第2部分:试验方法
    China National Standards
    C

    English PDF
    GB/T 1303.3-2008 Industrial rigid laminated sheets based on thermosetting resins for eleCtrical purposes - Part 3: Requirements for types of industrial rigid laminated sheets
    电气用热固性树脂工业硬质层压板 第3部分:工业硬质层压板型号
    China National Standards
    C

    English PDF
    GB/T 4515-2008 StitCh types - Classification and terminology
    线迹的分类和术语
    China National Standards
    C

    English PDF
    GB/T 22750-2008 Implants for surgery - Ceramic materials based on high purity alumina
    外科植入物用高纯氧化铝陶瓷材料
    China National Standards
    C

    English PDF
    GB 5369-2008 Gerneral-speCification for drinking water tank coating of shipbuilding
    船用饮水舱涂料通用技术条件
    China National Standards
    C

    English PDF
    GB/T 5170.21-2008 InspeCtion methods for basic parameters of environmental testing equipments - Hydraulic vibrating type machines for vibration(random) test
    电工电子产品环境试验设备基本参数检验方法 振动(随机)试验用液压振动台
    China National Standards
    C

    English PDF
    GB/T 4797.8-2008 Classification of environmental conditions - Environmental conditions appearing in nature - Fire exposure
    电工电子产品环境条件分类 自然环境条件 火灾暴露
    China National Standards
    C

    English PDF
    GB/T 4797.7-2008 Classification of environmental conditions - Environmental conditions of nature - Earthquake vibration and shock
    电工电子产品环境条件分类 自然环境条件 地震振动和冲击
    China National Standards
    C

    English PDF
    GB/T 4797.5-2008 Classification of environmental conditions - Environmental conditions of nature - Precipitation and wind
    电工电子产品环境条件分类 自然环境条件 降水和风
    China National Standards
    C

    English PDF
    GB/T 2423.59-2008 Environmental testing - Part 2: Test methods - Test Z/ABMFh: Combined temperature(cold and heat)/low air pressure/vibration(random)
    电工电子产品环境试验 第2部分:试验方法 试验Z/ABMFh:温度(低温、高温)/低气压/振动(随机)综合
    China National Standards
    C

    English PDF
    GB/T 2421.2-2008 Environmental testing - Information for speCification writers - Test summaries
    电工电子产品环境试验 规范编制者用信息 试验概要
    China National Standards
    C

    English PDF
    GB/T 2421.1-2008 Environmental testing - General and guidanCe
    电工电子产品环境试验 概述和指南
    China National Standards
    C

    English PDF
    GB/T 2424.17-2008 Environmental testing - Part 2: Tests methods guidanCe on - Test T: Soldering Test
    电工电子产品环境试验 第2部分:试验方法 试验T:锡焊试验导则
    China National Standards
    C

    English PDF
    GB/T 2423.60-2008 Environmental testing - Part 2: Tests - Test U: Robustness of terminations and integral mounting deviCes
    电工电子产品环境试验 第2部分:试验方法 试验U:引出端及整体安装件强度
    China National Standards
    C

    English PDF
    GB/Z 6829-2008 General requirements for residual Current operated protective devices
    剩余电流动作保护电器的一般要求
    China National Standards
    C

    English PDF
    GB/Z 22721-2008 GuidanCe for the correct use of residual current-operated protective devices (RCDs) for household and similar use
    正确使用家用和类似用途剩余电流动作保护电器(RCD)的指南
    China National Standards
    C

    English PDF
    GB/T 9330.3-2008 PlastiC insulated control cables - Part 3: Cross-linked polyethylene insulated control cables
    塑料绝缘控制电缆 第3部分:交联聚乙烯绝缘控制电缆
    China National Standards
    C

    English PDF
    GB/T 7602.3-2008 Determination of T501 oxidation inhibitor Content in transformer oil or turbine oil - Part 3: Infrared spectroscopy method
    变压器油、汽轮机油中T501抗氧化剂含量测定法 第3部分:红外光谱法
    China National Standards
    C

    English PDF
    GB/T 7602.2-2008 Determination of T501 oxidation inhibitor Content in transformer oil or turbine oil - Part 2: Liquid chromatography
    变压器油、汽轮机油中T501抗氧化剂含量测定法 第2部分:液相色谱法
    China National Standards
    C

    English PDF
    GB/T 5169.5-2008 Fire hazard testing for eleCtric and electronic products - Part 5: Test flames - Needle test method - Apparatus, confirmatory arrangement and guidance
    电工电子产品着火危险试验 第5部分:试验火焰 针焰试验方法 装置、确认试验方法和导则
    China National Standards
    C

    English PDF
    GB/T 5169.31-2008 Fire hazard testing for eleCtric and eletronic products - Part 31: Surface spread of flame - General guidance
    电工电子产品着火危险试验 第31部分:火焰表面蔓延 总则
    China National Standards
    C

    English PDF
    GB/T 5169.30-2008 Fire hazard testing for eleCtric and electronic products - Part 30: Heat release - Summary and relevance of test methods
    电工电子产品着火危险试验 第30部分:热释放 试验方法概要和相关性
    China National Standards
    C

    English PDF
    GB/T 5169.29-2008 Fire hazard testing for eleCtric and electronic products - Part 29: Heat release - General guidance
    电工电子产品着火危险试验 第29部分:热释放 总则
    China National Standards
    C

    English PDF
    GB/T 5169.28-2008 Fire hazard testing for eleCtric and electronic products - Part 28: Smoke obscuration - Small-scale static test - Materials
    电工电子产品着火危险试验 第28部分:烟模糊 小规模静态试验方法 材料
    China National Standards
    C

    English PDF
    GB/T 5169.27-2008 Fire hazard testing for eleCtric and electronic products - Part 27: Smoke obscuration - Small-scale static test - Description of the apparatus
    电工电子产品着火危险试验 第27部分:烟模糊 小规模静态试验方法 仪器说明
    China National Standards
    C

    English PDF
    GB/T 5169.26-2008 Fire hazard testing for eleCtric and electronic products - Part 26: Smoke obscuration - Summary and relevance of test methods
    电工电子产品着火危险试验 第26部分:烟模糊 试验方法概要和相关性
    China National Standards
    C

    English PDF
    GB/T 5169.25-2008 Fire hazard testing for eleCtric and electronic products - Part 25: Smoke obscuration - General guidance
    电工电子产品着火危险试验 第25部分:烟模糊 总则
    China National Standards
    C

    English PDF
    GB/T 5169.24-2008 Fire hazard testing for eleCtric and electronic products - Part 24: Guidance for assessing the fire hazard - Insulating liquids
    电工电子产品着火危险试验 第24部分:着火危险评定导则 绝缘液体
    China National Standards
    C

    English PDF
    GB/T 5169.23-2008 Fire hazard testing for eleCtric and electronic products - Part 23: Test flames-500W vertical flame test method for tubular polymeric materials
    电工电子产品着火危险试验 第23部分:试验火焰 管形聚合材料500W垂直火焰试验方法
    China National Standards
    C

    English PDF
    GB/T 3956-2008 Conductors of insulated cables
    电缆的导体
    China National Standards
    C

    English PDF
    GB/T 2424.26-2008 Environmental testing - Supporting doCumentation and guidance - Selecting amongst vibration tests
    电工电子产品环境试验 第3部分:支持文件和导则 振动试验选择
    China National Standards
    C

    English PDF
    GB/T 2423.26-2008 Environmental testing - Part 2: Tests methods - Test Z/BM: Combined dry heat/low air pressure tests
    电工电子产品环境试验 第2部分:试验方法 试验Z/BM:高温/低气压综合试验
    China National Standards
    C

    English PDF
    GB/T 2423.25-2008 Environmental testing - Part 2: Tests methods - Test Z/AM: Combined cold/low air pressure tests
    电工电子产品环境试验 第2部分:试验方法 试验Z/AM:低温/低气压综合试验
    China National Standards
    C

    English PDF
    GB/T 2423.16-2008 Environmental testing - Part 2: Test methods - Test J and guidanCe: Mold growth
    电工电子产品环境试验 第2部分:试验方法 试验J及导则:长霉
    China National Standards
    C

    English PDF
    GB/T 2423.1-2008 Environmental testing - Part 2: Test methods - Tests A: Cold
    电工电子产品环境试验 第2部分:试验方法 试验A: 低温
    China National Standards
    C

    English PDF
    GB/T 2424.15-2008 Environmental testing - Guide for Combined temperature/low air pressure tests
    电工电子产品环境试验 第3部分:温度/低气压综合试验导则
    China National Standards
    C

    English PDF
    GB/T 2317.4-2008 Test method for eleCtric power fittings - Part 4: Acceptance inspection for electric power fittings
    电力金具试验方法 第4部分:验收规则
    China National Standards
    C

    English PDF
    GB/T 2317.3-2008 Test method for eleCtric power fittings - Part 3: Heat cycle tests for electric power fittings
    电力金具试验方法 第3部分:热循环试验
    China National Standards
    C

    English PDF
    GB/T 2317.2-2008 Test method for eleCtric power fittings - Part 2: Corona and RIV tests for electric power fittings
    电力金具试验方法 第2部分:电晕和无线电干扰试验
    China National Standards
    C

    English PDF
    GB/T 22764.5-2008 Cabinets for low-voltage switchgear - Part 5: Basic test methods
    低压机柜 第5部分:基本试验方法
    China National Standards
    C

    English PDF
    GB/T 22764.4-2008 Cabinets for low-voltage switchgear - Part 4: Electrical safety requirements
    低压机柜 第4部分:电气安全要求
    China National Standards
    C

    English PDF
    GB/T 22764.3-2008 Cabinets for low-voltage switchgear - Part 3: Environment and climate
    低压机柜 第3部分:环境与气候
    China National Standards
    C

    English PDF
    GB/T 22764.2-2008 Cabinets for low-voltage switchgear - Part 2: Series of dimensions
    低压机柜 第2部分:尺寸系列
    China National Standards
    C

    English PDF
    GB/T 22764.1-2008 Cabinets for low-voltage switchgear - Part 1: Generic specification
    低压机柜 第1部分:总规范
    China National Standards
    C

    English PDF
    GB/T 22763-2008 EleCtrical accessories - Big size sealed screwed plug
    电器附件 大口径密封螺塞
    China National Standards
    C

    English PDF
    GB/T 22762-2008 Built-in thermal proteCtors for electrical machines of household and similar use
    家用和类似用途用装入式电动机热保护器
    China National Standards
    C

    English PDF
    GB/T 22761-2008 EleCtric circular saws
    电圆锯
    China National Standards
    C

    English PDF
    GB/T 22722-2008 SpeCification for YX3 series(IP55) high efficiency three-phase induction motor (frame size 80-355)
    YX3系列(IP55)高效率三相异步电动机技术条件(机座号80-355)
    China National Standards
    C

    English PDF
    GB/T 22720.1-2008 Rotating eleCtrical machines - Qualification and type tests for - Type Ⅰelectrical insulation systems used in rotating electrical machines fed from voltage converters
    旋转电机 电压型变频器供电的旋转电机 Ⅰ型电气绝缘结构的鉴别和型式试验
    China National Standards
    C

    English PDF
    GB/T 22719.2-2008 Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 2: Test limits
    交流低压电机散嵌绕组匝间绝缘 第2部分:试验限值
    China National Standards
    C

    English PDF
    GB/T 22719.1-2008 Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 1: Test methods
    交流低压电机散嵌绕组匝间绝缘 第1部分:试验方法
    China National Standards
    C

    English PDF
    GB/T 22718-2008 Thermal evaluation methods of insulation systems for high-voltage eleCtrical machines
    高压电机绝缘结构耐热性评定方法
    China National Standards
    C

    English PDF
    GB/T 22717-2008 Test speCifications of interturn insulation of field pole coil and field winding for electrical machines
    电机磁极线圈及磁场绕组匝间绝缘试验规范
    China National Standards
    C

    English PDF
    GB/T 22716-2008 Test speCifications of interturn insulation of armature winding for DC electrical machines
    直流电机电枢绕组匝间绝缘试验规范
    China National Standards
    C

    English PDF
    GB/T 22715-2008 Impulse voltage withstand levels of form-wound stator Coils for rotating a.c. machines
    交流电机定子成型线圈耐冲击电压水平
    China National Standards
    C

    English PDF
    GB/T 22714-2008 Test speCifications of interturn insulation of form-wound winding for AC low-voltage electrical machines
    交流低压电机成型绕组匝间绝缘试验规范
    China National Standards
    C

    English PDF
    GB/T 22713-2008 EffeCts of unbalanced voltages on the performance of three-phase cage induction motor
    不平衡电压对三相笼型感应电动机性能的影响
    China National Standards
    C

    English PDF
    GB/T 22712-2008 SpeCification for G series cooling fans applying to variable frequency motors
    变频电机用G系列冷却风机技术规范
    China National Standards
    C

    English PDF
    GB/T 22711-2008 SpeCification for high efficiency three-phase permanent magnet synchronous motor (frame size 132-280)
    高效三相永磁同步电动机技术条件(机座号 132-280)
    China National Standards
    C

    English PDF
    GB/T 22710-2008 EleCtronic controller for low-voltage circuit breaker
    低压断路器用电子式控制器
    China National Standards
    C

    English PDF
    GB/T 22709-2008 Residual strength of string insulator units of glass or Ceramic material for overhead lines after mechanical damage of the dielectric
    架空线路玻璃或瓷绝缘子串元件绝缘体机械破损后的残余强度
    China National Standards
    C

    English PDF
    GB/T 22708-2008 Thermal-meChanical performance test and mechanical performance test on string insulator units
    绝缘子串元件的热机和机械性能试验
    China National Standards
    C

    English PDF
    GB/T 22707-2008 ArtifiCial pollution tests on high-voltage insulators to be used on d.c. systems
    直流系统用高压绝缘子的人工污秽试验
    China National Standards
    C

    English PDF
    GB/T 22665.6-2008 Measurement of vibrations at the handle of hand-held eleCtric tools - Part 6: Hammers
    手持式电动工具手柄的振动测量方法 第6部分:锤类工具
    China National Standards
    C

    English PDF
    GB/T 22665.5-2008 Measurement of vibrations at the handle of hand-held eleCtric tools - Part 5: Circular saws
    手持式电动工具手柄的振动测量方法 第5部分:圆锯
    China National Standards
    C

    English PDF
    GB/T 22665.4-2008 Measurement of vibrations at the handle of hand-held eleCtric tools - Part 4: Sanders and polishers other than disk type
    手持式电动工具手柄的振动测量方法 第4部分:非盘式砂光机和抛光机
    China National Standards
    C

    English PDF
    GB/T 22665.3-2008 Measurement of vibrations at the handle of hand-held eleCtric tools - Part 3: Grinders, polishers and disk-type sanders
    手持式电动工具手柄的振动测量方法 第3部分:砂轮机、抛光机和盘式砂光机
    China National Standards
    C

    English PDF
    GB/T 20161-2008 Cage induction motors when fed from converters-application guide
    变频器供电的笼型感应电动机应用导则
    China National Standards
    C

    English PDF
    GB/T 20159.8-2008 Classification of environmental conditions - Guidance for the correlation and transformation of environmental condition classes to the environmental tests - Introduction
    环境条件分类 环境条件分类与环境试验之间的关系及转换指南 导言
    China National Standards
    C

    English PDF
    GB/T 20159.7-2008 Classification of environmental conditions - Guidance for the correlation and transformation of environmental condition classes to the environment tests - Portable and non-stationary use
    环境条件分类 环境条件分类与环境试验之间的关系及转换指南 携带和非固定使用
    China National Standards
    C

    English PDF
    GB/T 20159.6-2008 Classification of environmental conditions - Guidance for the correlation and transformation of environmental condition classes to the environment tests - Ship environment
    环境条件分类 环境条件分类与环境试验之间的关系及转换指南 船用
    China National Standards
    C

    English PDF
    GB/T 20159.5-2008 Classification of environmental conditions - Guidance for the correlation and transformation of environmental condition classes to the environment tests - Ground vehicle installations
    环境条件分类 环境条件分类与环境试验之间的关系及转换指南 地面车辆使用
    China National Standards
    C

    English PDF

    Find out:51606Items   |  To Page of: First -Previous-Next -Last  | [352] [353] [354] [355] [356] [357] [358]

     

    +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