China National Standards

China V 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 "V" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 20645-2021 Specific enVironmental condition—Technical requirements of low-voltage apparatuses for plateau
    特殊环境条件 高原用低压电器技术要求
    China National Standards
    V

    English PDF
    GB/T 20385.1-2021 Textiles—Determination of organotin compounds—Part 1:DeriVatisation method using GC-MS
    纺织品 有机锡化合物的测定 第1部分:衍生化气相色谱-质谱法
    China National Standards
    V

    English PDF
    GB/T 19934.1-2021 Hydraulic fluid power—Fatigue pressure testing of metal pressure-containing enVelopes—Part 1: Test method
    液压传动 金属承压壳体的疲劳压力试验 第1部分:试验方法
    China National Standards
    V

    English PDF
    GB/T 19753-2021 Test methods for energy consumption of light-duty hybrid electric Vehicles
    轻型混合动力电动汽车能量消耗量试验方法
    China National Standards
    V

    English PDF
    GB/T 19672-2021 Pipeline Valves—Technical specification
    管线阀门 技术条件
    China National Standards
    V

    English PDF
    GB/T 19237-2021 Compressed natural gas dispenser for Vehicles
    汽车用压缩天然气加气机
    China National Standards
    V

    English PDF
    GB/T 18802.32-2021 Low-Voltage surge protective devices—Part 32: Surge protective devices connected to photovoltaic installations—Selection and application principles
    低压电涌保护器 第32部分:用于光伏系统的电涌保护器 选择和使用导则
    China National Standards
    V

    English PDF
    GB/T 18802.31-2021 Low-Voltage surge protective devices -- Part 31: Surge protective devices connected to photovoltaic installations -- Requirements and test methods
    低压电涌保护器 第31部分:用于光伏系统的电涌保护器 性能要求和试验方法
    China National Standards
    V

    English PDF
    GB/T 18400.10-2021 Test conditions for machining centres—Part 10:EValuation of thermal distortions
    加工中心检验条件 第10部分:热变形的评定
    China National Standards
    V

    English PDF
    GB/T 18386.1-2021 Test methods for energy consumption and range of electric Vehicles—Part 1: Light-duty vehicles
    电动汽车能量消耗量和续驶里程试验方法 第1部分:轻型汽车
    China National Standards
    V

    English PDF
    GB/T 18329.4-2021 Plain bearings—Metallic multilayer plain bearings—Part 4:Non-destructiVe ultrasonic transmission testing of bond of thickness greater than or equal to 0.3 mm
    滑动轴承 多层金属滑动轴承 第4部分: 合金厚度≥0.3mm的结合质量超声穿透无损检测
    China National Standards
    V

    English PDF
    GB/T 18329.3-2021 Plain bearings—Metallic multilayer plain bearings—Part 3: Non-destructiVe penetrant testing
    滑动轴承 多层金属滑动轴承 第3部分:无损渗透检验
    China National Standards
    V

    English PDF
    GB/T 15914-2021 Monitoring and testing method for energy saVing of steam heating equipments
    蒸汽加热设备节能监测方法
    China National Standards
    V

    English PDF
    GB/T 14352.20-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 20:Determination of niobium,tantalum,zirconium,hafnium and 15 rare earth elements content -- InductiVely coupled plasma mass spectrometry
    钨矿石、钼矿石化学分析方法 第20部分:铌、钽、锆、铪及15个稀土元素量的测定 电感耦合等离子体质谱法
    China National Standards
    V

    English PDF
    GB/T 14352.19-2021 Methods for chemical analysis of tungsten ores and molybdenum ores -- Part 19: Determination of bismuth, cadmium, cobalt, copper, iron, lithium, nickel, phosphorus, lead, strontium, Vanadium and zinc content -- Inductive-coupled plasma atomic emission spe
    钨矿石、钼矿石化学分析方法 第19部分:铋、镉、钴、铜、铁、锂、镍、磷、铅、锶、钒和锌量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    V

    English PDF
    GB/T 12736-2021 ConVeyor belts—Determination of strenght of mechanical fastenings—Static test method
    输送带 机械接头强度的测定 静态试验方法
    China National Standards
    V

    English PDF
    GB/T 12668.902-2021 Adjustable speed electrical power driVe systems—Part 9-2: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—Energy efficiency indicators for power drive systems and motor starters
    调速电气传动系统 第9-2部分:电气传动系统、电机起动器、电力电子设备及其传动应用的生态设计 电气传动系统和电机起动器的能效指标
    China National Standards
    V

    English PDF
    GB/T 12668.901-2021 Adjustable speed electrical power driVe systems—Part 9-1: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—General requirements for setting energy efficiency standards for power driven equipment using the
    调速电气传动系统 第9-1部分:电气传动系统、电机起动器、电力电子设备及其传动应用的生态设计 采用扩展产品法(EPA)和半解析模型(SAM)制定电气传动设备能效标准的一般要求
    China National Standards
    V

    English PDF
    GB/T 12242-2021 Pressure relief deVices—Performance test code
    压力释放装置 性能试验方法
    China National Standards
    V

    English PDF
    GB/T 12241-2021 Safety Valves—General requirements
    安全阀 一般要求
    China National Standards
    V

    English PDF
    GB/T 12237-2021 Steel ball Valves for petroleum, petrochemical and allied industries
    石油、石化及相关工业用的钢制球阀
    China National Standards
    V

    English PDF
    GB/T 5755-2021 Steel cord conVeyor belts—Cord-to-coating bond test—Initial test and after thermal treatment
    钢丝绳芯输送带 绳与包覆胶粘合试验 原始状态下和热老化后试验
    China National Standards
    V

    English PDF
    GB/T 5095.2507-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-7: Test 25g: Impedance, reflection coefficient, and Voltage standing wave ratio (VSWR)
    电子设备用机电元件 基本试验规程及测量方法 第25-7部分:试验25g:阻抗、反射系数和电压驻波比(VSWR)
    China National Standards
    V

    English PDF
    GB/T 5095.2307-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-7: Screening and filtering tests—Test 23g: EffectiVe transfer impedance of connectors
    电子设备用机电元件 基本试验规程及测量方法 第23-7部分:屏蔽和滤波试验 试验23g:连接器的有效转移阻抗
    China National Standards
    V

    English PDF
    GB/T 5095.2303-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-3:Screening and filtering tests—Test 23c:Shielding effectiVeness of connectors and accessories—Line injection method
    电子设备用机电元件 基本试验规程及测量方法 第23-3部分:屏蔽和滤波试验 试验23c:连接器和附件的屏蔽效果 线注入法
    China National Standards
    V

    English PDF
    GB/T 4797.9-2021 Classification of enVironmental conditions—Environmental conditions appearing in nature—Measured shock and vibration data during storage, transportation and in-use
    环境条件分类 自然环境条件 贮存、运输和使用过程中测得的冲击和振动数据
    China National Standards
    V

    English PDF
    GB/T 4490-2021 ConVeyor belts with textile carcass—Widths and lengths
    织物芯输送带 宽度和长度
    China National Standards
    V

    English PDF
    GB/T 3684-2021 ConVeyor belts—Electrical conductivity—Specification and test method
    输送带 导电性 规范和试验方法
    China National Standards
    V

    English PDF
    GB/T 2680-2021 Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraViolet transmittance and related glazing factors
    建筑玻璃 可见光透射比、太阳光直接透射比、太阳能总透射比、紫外线透射比及有关窗玻璃参数的测定
    China National Standards
    V

    English PDF
    GB/T 1454-2021 Test method for edgewise compressiVe properties of sandwich constructions
    夹层结构侧压性能试验方法
    China National Standards
    V

    English PDF
    GB/T 41165-2021 Accuracy eValuation methods of marine forecast results
    海洋预报结果准确性检验评估方法
    China National Standards
    V

    English PDF
    GB/T 14914.6-2021 The specification for marine obserVation—Part 6:Data processing and quality control of marine observational data
    海洋观测规范 第6部分:数据处理与质量控制
    China National Standards
    V

    English PDF
    GB/T 14914.3-2021 The specification for marine obserVation -- Part 3: Surface and subsurface buoy-based observation
    海洋观测规范 第 3 部分:浮标潜标观测
    China National Standards
    V

    English PDF
    GB/T 14914.4-2021 The specification for marine obserVation—Part 4:Shore based radar observation
    海洋观测规范 第4部分:岸基雷达观测
    China National Standards
    V

    English PDF
    GB/T 9254.1-2021 Information technology equipment, multimedia equipment and receiVers -- Electromagnetic compatibility -- Part 1: Emission requirements
    信息技术设备、多媒体设备和接收机 电磁兼容 第1部分:发射要求
    China National Standards
    V

    English PDF
    GB/T 17581-2021 EVacuated tube solar collectors
    真空管型太阳能集热器
    China National Standards
    V

    English PDF
    GB/T 34273-2021 Standard test method for calculated cetane index of coal liquefaction diesel—Four Variable equetion
    煤液化柴油十六烷指数计算法 四变量公式法
    China National Standards
    V

    English PDF
    GB/T 41205.1-2021 Code and attribute description of emergency supplies -- Part 1: Personal protectiVe equipment
    应急物资编码与属性描述 第1部分:个体防护装备
    China National Standards
    V

    English PDF
    GB/T 15166.4-2021 High-Voltage alternating-current fuses -- Part 4:Fuse for exteanal protection of shunt capacitors
    高压交流熔断器 第4部分:并联电容器外保护用熔断器
    China National Standards
    V

    English PDF
    GB/T 19136-2021 Testing method of the accelerated storage stability at eleVated temperature for pesticides
    农药热储稳定性测定方法
    China National Standards
    V

    English PDF
    GB/T 15981-2021 EValuating method for the efficacy of sterilization for disinfection equipment
    消毒器械灭菌效果评价方法
    China National Standards
    V

    English PDF
    GB/T 41019-2021 Technical guideline for comprehensiVe utilization of mine water
    矿井水综合利用技术导则
    China National Standards
    V

    English PDF
    GB/T 25210-2021 Hydraulic excaVator—Central turning joint
    商品煤质量 中低温热解用煤
    China National Standards
    V

    English PDF
    GB/T 21636-2021 Microbeam analysis—Electron probe microanalysis (EPMA)—Vocabulary
    微束分析 电子探针显微分析(EPMA) 术语
    China National Standards
    V

    English PDF
    GB/T 15579.14-2021 Arc welding equipment -- Part 14: Calibration, Validation and consistency testing
    弧焊设备 第14部分:校准、确认和一致性试验
    China National Standards
    V

    English PDF
    GB/T 41042-2021 Guidance for utilization and classification of content of Valuable elements in coal
    煤中有价元素含量分级及应用导则
    China National Standards
    V

    English PDF
    GB/T 41043-2021 CoordinatiVe development effectiveness evaluation indicator and method of coal and coalbed methane
    煤与煤层气协调开发效果评价指标及计算方法
    China National Standards
    V

    English PDF
    GB/T 3099.4-2021 Terminology of fasteners—Control, inspection, deliVery, acceptance and quality
    紧固件术语 控制、检查、交付、接收和质量
    China National Standards
    V

    English PDF
    GB/T 41116-2021 Non-destructiVe testing of welds—Time-of-flight diffraction technique (TOFD)—Acceptance levels
    焊缝无损检测 衍射时差技术(TOFD) 验收等级
    China National Standards
    V

    English PDF
    GB/T 41115-2021 Non-destructiVe testing of welds -- Ultrasonic testing -- Use of time-of-flight diffraction technique (TOFD)
    焊缝无损检测 超声检测 衍射时差技术(TOFD)的应用
    China National Standards
    V

    English PDF
    GB/T 41107.2-2021 DestructiVe tests on welds in metallic materials -- Hot cracking tests for weldments -- Arc welding processes -- Part 2: Self-restraint tests
    金属材料焊缝破坏性试验 焊件的热裂纹试验 弧焊方法 第2部分:自拘束试验
    China National Standards
    V

    English PDF
    GB/T 41107.1-2021 DestructiVe tests on welds in metallic materials -- Hot cracking tests for weldments -- Arc welding processes -- Part 1: General
    金属材料焊缝破坏性试验 焊件的热裂纹试验 弧焊方法 第1部分:总则
    China National Standards
    V

    English PDF
    GB/T 20303.5-2021 Cranes—Cabins and control stations—Part 5: OVerhead travelling and portal bridge cranes
    起重机 司机室和控制站 第5 部分:桥式和门式起重机
    China National Standards
    V

    English PDF
    GB/T 13976-2021 RadioactiVe source term of pressurized water reactor nuclear power plant for operation states
    压水堆核电厂运行状态下的放射性源项
    China National Standards
    V

    English PDF
    GB/T 41249-2021 Industrial assistance—Guidance for operation management of “pig-biogas-fruit (grain and Vegetable)”circular agricultural project
    产业帮扶 “猪-沼-果(粮、菜)” 循环农业项目运营管理指南
    China National Standards
    V

    English PDF
    GB/T 21938-2021 Earth-moVing machinery─Hydraulic excavator and backhoe loader lowering control device─Requirements and tests
    土方机械 液压挖掘机和挖掘装载机下降控制装置 要求和试验
    China National Standards
    V

    English PDF
    GB/T 22565.1-2021 Metallic materials -- Sheet and strip -- Method for spring back eValuation -- Part 1: Stretch bending
    金属材料 薄板和薄带 回弹性能评估方法 第1部分:拉弯法
    China National Standards
    V

    English PDF
    GB/T 5121.28-2021 Methods for chemical analysis of copper and copper alloys—Part 28:Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silVer,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrometry
    铜及铜合金化学分析方法 第28部分:铬、铁、锰、钴、镍、锌、砷、硒、银、镉、锡、锑、碲、铅和铋含量的测定 电感耦合等离子体质谱法
    China National Standards
    V

    English PDF
    GB/T 7991.1-2021 Test method of Viterous and porcelain enamels—Part 1:Determination of resistance to alkaline liquids
    搪玻璃层试验方法 第1部分:耐碱性溶液腐蚀性能的测定
    China National Standards
    V

    English PDF
    GB/T 41121-2021 Glass water slide deVice safety technical requirement
    玻璃水滑道安全技术要求
    China National Standards
    V

    English PDF
    GB/T 6730.25-2021 Iron ores—Determination of total rare earth contents—Oxalate graVimetric method
    铁矿石 稀土总量的测定 草酸盐重量法
    China National Standards
    V

    English PDF
    GB/T 31428-2021 Vocabulary relating to coal chemical technology
    煤化工术语
    China National Standards
    V

    English PDF
    GB/T 41038-2021 Energy consumption efficiency eValuation method for entrained-flow coal-water slurry gasification
    气流床水煤浆气化能效计算方法
    China National Standards
    V

    English PDF
    GB/T 41108.3-2021 Safety of machinery -- Safety requirements for interlocking deVices -- Part 3: Trapped key interlocking devices and systems
    机械安全 联锁装置的安全要求 第3部分:截留钥匙联锁装置及系统
    China National Standards
    V

    English PDF
    GB/T 41108.2-2021 Safety of machinery -- Safety requirements for interlocking deVices -- Part 2: Interlocking devices with guard-locking
    机械安全 联锁装置的安全要求 第2部分:带防护锁定的联锁装置
    China National Standards
    V

    English PDF
    GB/T 41108.1-2021 Safety of machinery -- Safety requirements for interlocking deVices -- Part 1: Direct opening position switches
    机械安全 联锁装置的安全要求 第1部分:直接断开位置开关
    China National Standards
    V

    English PDF
    GB/T 26281-2021 Methods for the calculation of heat balance,heat efficiency and comprehensiVe energy consumption of cement rotary kiln
    水泥回转窑热平衡、热效率、综合能耗计算方法
    China National Standards
    V

    English PDF
    GB/T 3670-2021 CoVered electordes for manual metal arc welding of copper and copper alloys
    铜及铜合金焊条
    China National Standards
    V

    English PDF
    GB/T 41147-2021 Voltage sourced converter(VSC) valves for static synchronous compensator(STATCOM) -- Electrical testing
    静止同步补偿装置用电压源换流器阀 电气试验
    China National Standards
    V

    English PDF
    GB/T 41114-2021 Non-destructiVe testing -- Ultrasonic testing -- Specification for a calibration block for phased array testing(PAUT)
    无损检测? 超声检测 相控阵超声检测标准试块规范
    China National Standards
    V

    English PDF
    GB/T 41123.3-2021 Non-destructiVe testing—Radiation methods for industrial computed tomography—Part 3:Qualification
    无损检测 工业射线计算机层析成像检测 第3部分:验证
    China National Standards
    V

    English PDF
    GB/T 41123.2-2021 Non-destructiVe testing—Radiation methods for industrial computed tomography—Part 2:Operation and interpretation
    无损检测 工业射线计算机层析成像检测 第2部分:操作和解释
    China National Standards
    V

    English PDF
    GB/T 41123.1-2021 Non-destructiVe testing -- Radiation methods for industrial computed tomography -- Part 1: Principles, equipment and samples
    无损检测 工业射线计算机层析成像检测 第1部分:原理、设备和样品
    China National Standards
    V

    English PDF
    GB/T 12604.12-2021 Non-destructiVe testing -- Terminology -- Part 12: Radiation methods for industrial computed tomography
    无损检测? 术语? 第12部分:工业射线计算机层析成像检测
    China National Standards
    V

    English PDF
    GB/T 41105.3-2021 Non-destructiVe testing -- Measurement and evaluation of the X-ray tube voltage -- Part 3: Spectrometric method
    无损检测? X射线管电压的测量和评价 第3部分:能谱法
    China National Standards
    V

    English PDF
    GB/T 41105.2-2021 Non-destructiVe testing -- Measurement and evaluation of the X-ray tube voltage -- Part 2: Constancy check by the thick filter method
    无损检测? X射线管电压的测量和评价 第2部分:厚板滤波法稳定性核查
    China National Standards
    V

    English PDF
    GB/T 22437.5-2021 Cranes—Design principles for loads and load combinations—Part 5:OVerhead travelling and portal bridge cranes
    起重机 载荷与载荷组合的设计原则 第5部分:桥式和门式起重机
    China National Standards
    V

    English PDF
    GB/T 41105.1-2021 Non-destructiVe testing—Measurement and evaluation of the X-ray tube voltage—Part 1:Voltage divider method
    无损检测 X射线管电压的测量和评价 第1部分:分压法
    China National Standards
    V

    English PDF
    GB/T 8593.2-2021 Earth-moVing machinery—Symbols for operator controls and other displays—Part 2:Symbols for specific machines,equipment and accessories
    土方机械 司机操纵装置和其他显示装置用符号 第2部分:机器、工作装置和附件的特殊符号
    China National Standards
    V

    English PDF
    GB/T 8593.1-2021 Earth-moVing machinery -- Symbols for operator controls and other displays -- Part 1: Common symbols
    土方机械? 司机操纵装置和其他显示装置用符号? 第1部分:通用符号
    China National Standards
    V

    English PDF
    GB/T 29004-2021 Rice transplanter -- EValuation index and measurement methods for fuel consumption
    水稻插秧机 燃油消耗量指标及测量方法
    China National Standards
    V

    English PDF
    GB/T 10395.5-2021 Agricultural machinery -- Safety -- Part 5: Power-driVen soil-working machines
    农业机械 安全 第5部分:驱动式耕作机械
    China National Standards
    V

    English PDF
    GB/T 8100.3-2021 Mounting surfaces of hydraulic Valves—Part 3: Pressure-reducing valves, sequence valves, unloading valves, throttle valves and check valves
    液压阀安装面 第3部分:减压阀、顺序阀、卸荷阀、节流阀和单向阀
    China National Standards
    V

    English PDF
    GB/T 8100.2-2021 Mounting surfaces of hydraulic Valves—Part 2:Compensated flow-control valves
    液压阀安装面 第2部分:调速阀
    China National Standards
    V

    English PDF
    GB/T 6445-2021 Rolling bearings—Needle roller bearing track rollers—Boundary dimensions, geometrical product specifications (GPS) and tolerance Values
    滚动轴承 滚轮滚针轴承 外形尺寸、产品几何技术规范(GPS)和公差值
    China National Standards
    V

    English PDF
    GB/T 38055.5-2021 Rough-terrain trucks—User requirements—Part 5: Interface between Variable-reach truck and intergrated personnel work platform
    越野叉车 对用户的要求 第5部分:伸缩臂式叉车和集成式人员工作平台的连接装置
    China National Standards
    V

    English PDF
    GB/T 38055.4-2021 Rough-terrain trucks—User requirements—Part 4: Additional requirements for Variable-reach trucks handling freely suspended loads
    越野叉车 对用户的要求 第4部分:悬吊可自由摆动载荷伸缩臂式叉车的附加要求
    China National Standards
    V

    English PDF
    GB/T 26949.12-2021 Industrial trucks—Verification of stability—Part 12:Industrial variable-reach trucks handling freight containers of 6 m length and longer
    工业车辆 稳定性验证 第12部分:搬运6 m及其以上长度货运集装箱的伸缩臂式叉车
    China National Standards
    V

    English PDF
    GB/T 10596-2021 En-masse conVeyor
    埋刮板输送机
    China National Standards
    V

    English PDF
    GB/T 6730.28-2021 Iron ores—Determination of fluorine content—Ion-selectiVe electrode method
    铁矿石 氟含量的测定 离子选择电极法
    China National Standards
    V

    English PDF
    GB/T 41135.2-2021 Current and Voltage sensors or detectors, to be used for fault passage indication purposes -- Part 2: System aspects
    故障路径指示用电流和电压传感器或探测器?? 第2部分:系统应用
    China National Standards
    V

    English PDF
    GB/T 41135.1-2021 Current and Voltage sensors or detectors, to be used for fault passage indication purposes -- Part 1: General principles and requirements
    故障路径指示用电流和电压传感器或探测器?? 第1部分:通用原理和要求
    China National Standards
    V

    English PDF
    GB/T 25629-2021 Hydraulic excaVator—Central turning joint
    液压挖掘机 中央回转接头
    China National Standards
    V

    English PDF
    GB/T 41106.6-2021 Large-scale amusement deVices -- Inspection, maintenance and repair -- Part 6: Sort of virtual experience rides
    大型游乐设施 检查、维护保养与修理 第6部分:虚拟体验类
    China National Standards
    V

    English PDF
    GB/T 41106.5-2021 Large-scale amusement deVices -- Inspection, maintenance and repair -- Part 5: Sort of aquatic rides
    大型游乐设施 检查、维护保养与修理 第5部分:水上类
    China National Standards
    V

    English PDF
    GB/T 41106.4-2021 Large-scale amusement deVices -- Inspection, maintenance and repair -- Part 4: Sort of lifting rides
    大型游乐设施 检查、维护保养与修理 第4部分:升降类
    China National Standards
    V

    English PDF
    GB/T 41106.3-2021 Large-scale amusement deVices -- Inspection, maintenance and repair -- Part 3: Sort of rotary rides
    大型游乐设施 检查、维护保养与修理 第3部分:旋转类
    China National Standards
    V

    English PDF
    GB/T 41106.2-2021 Large-scale amusement deVices -- Inspection, maintenance and repair -- Part 2: Sort of track rides
    大型游乐设施 检查、维护保养与修理 第2部分:轨道类
    China National Standards
    V

    English PDF
    GB/T 41106.1-2021 Large-scale amusement deVices -- Inspection, maintenance and repair -- Part 1: General
    大型游乐设施 检查、维护保养与修理 第1部分:总则
    China National Standards
    V

    English PDF
    GB/T 21534-2021 Water saVing—Terminology
    节约用水 术语
    China National Standards
    V

    English PDF

    Find out:20103Items   |  To Page of: First -Previous-Next -Last  | [21] [22] [23] [24] [25] [26] [27]

     

    +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.rjs.cn

    China Licenses

    www.transcustoms.com

    China HS code & Tariff

    www.gbstandards.org

    China National Standards