China National Standards

China 1: GB Standards List


  •  China "1:" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 41346.1-2022 Safety of machinery - Safety protection for the transfer of machinery and equipment - Part 1: Structural design criteria {译}
    机械安全 机械装备转运安全防护 第1部分:结构设计准则
    China National Standards
    1:

    English PDF
    GB/T 41344.1-2022 Safety of machinery - Risk warning - Part 1: General {译}
    机械安全 风险预警 第1部分:通则
    China National Standards
    1:

    English PDF
    GB/T 41311.1-2022 Acoustics - Describe the quantity of underwater noise from ships and methods of measurement - Part 1: Requirements for precision measurements in deep water for comparison purposes {译}
    声学 描述船舶水下噪声的量及其测量方法 第1部分:用于比对目的的深水精密测量要求
    China National Standards
    1:

    English PDF
    GB/T 41304.1-2022 Knowledge management methods and tools Part 1: Process knowledge management {译}
    知识管理方法和工具 第1部分:工艺知识管理
    China National Standards
    1:

    English PDF
    GB/T 41283.1-2022 Acoustics Soundscape Part 1: Definition and Conceptual Framework {译}
    声学 声景观 第1部分:定义和概念性框架
    China National Standards
    1:

    English PDF
    GB/T 41275.21-2022 Avionics Process Management Aerospace and Defense Electronic Systems Containing Lead-Free Solders Part 21: Guidelines for Transitioning to Lead-Free Electronics {译}
    航空电子过程管理 含无铅焊料航空航天及国防电子系统 第21部分:向无铅电子过渡指南
    China National Standards
    1:

    English PDF
    GB/T 41295.1-2022 Functional Safety Application Guide Part 1: Hazard Identification and Requirements Analysis {译}
    功能安全应用指南  第1部分:危害辨识和需求分析
    China National Standards
    1:

    English PDF
    GB/T 41312.1-2022 Test method for permeability of chemical equipment - Part 1: Graphite and its lining equipment {译}
    化工用设备渗透性检测方法 第1部分:石墨及其衬里设备
    China National Standards
    1:

    English PDF
    GB/T 41341.1-2022 Technical Specifications for Site Selection of Ocean Power Stations Part 1: Tidal Current Energy {译}
    海洋能电站选址技术规范 第1部分:潮流能
    China National Standards
    1:

    English PDF
    GB/T 41340.1-2022 Technical Specification for Calculation of Power Generation of Ocean Power Station Part 1: Tidal Current {译}
    海洋能电站发电量计算技术规范 第1部分:潮流能
    China National Standards
    1:

    English PDF
    GB/T 41339.1-2022 Technical Guidelines for Marine Ecological Restoration Part 1: General {译}
    海洋生态修复技术指南 第1部分:总则
    China National Standards
    1:

    English PDF
    GB/T 16508.1-2022 Shell boilers Part 1: General {译}
    锅壳锅炉  第1部分:总则
    China National Standards
    1:

    English PDF
    GB/T 1094.11-2022 Power transformers—Part 11: Dry-type transformers
    电力变压器  第11部分:干式变压器
    China National Standards
    1:

    English PDF
    GB/T 5796.1-2022 Trapezoidal screw threads—Part 1: Profiles
    梯形螺纹  第1部分:牙型
    China National Standards
    1:

    English PDF
    GB/T 42168.1-2022 Condoms—Guidelines for clinical research—Part 1: Self-reported clinical functional studies of male condoms {译}
    避孕套 临床研究指南 第1部分:男用避孕套基于自我报告的临床功能研究
    China National Standards
    1:

    English PDF
    GB/T 19363.1-2022 Translation Services Part 1: Requirements for Translation Services {译}
    翻译服务 第1部分:笔译服务要求
    China National Standards
    1:

    English PDF
    GB/T 16895.13-2022 Low-Voltage Electrical Installations Part 7-701: Requirements for Special Installations or Locations Locations with Tubs or Showers {译}
    低压电气装置 第7-701部分:特殊装置或场所的要求 装有浴盆或淋浴的场所
    China National Standards
    1:

    English PDF
    GB/Z 17215.651-2022 Electrical Measurement Data Exchange DLMS/COSEM Components Part 51: Application Layer Protocol {译}
    电测量数据交换 DLMS/COSEM组件 第51部分:应用层协议
    China National Standards
    1:

    English PDF
    GB/T 42284.1-2022 Road vehicles - Environmental conditions and tests for electrical and electronic equipment used in electric vehicle drive systems - Part 1: General provisions {译}
    道路车辆 电动汽车驱动系统用电气及电子设备的环境条件和试验 第1部分:一般规定
    China National Standards
    1:

    English PDF
    GB/T 15970.11-2022 Corrosion of metals and alloys - Stress corrosion testing - Part 11: Guidelines for hydrogen embrittlement and hydrogen-induced cracking tests of metals and alloys {译}
    金属和合金的腐蚀 应力腐蚀试验 第11部分:金属和合金氢脆和氢致开裂试验指南
    China National Standards
    1:

    English PDF
    GB/T 14392.1-2022 Format of international trade documents - Part 1: Paper documents {译}
    国际贸易单证样式 第1部分:纸质单证
    China National Standards
    1:

    English PDF
    GB/T 25260.1-2022 Synthetic Latex Part 1: Carboxylated styrene-butadiene latex (XSBRL) {译}
    合成胶乳 第1部分:羧基丁苯胶乳(XSBRL)
    China National Standards
    1:

    English PDF
    GB/T 41974.1-2022 Plastics - Color masterbatches - Part 1: Nomenclature system and basis of classification {译}
    塑料 色母料 第1部分:命名系统和分类基础
    China National Standards
    1:

    English PDF
    GB/T 34590.11-2022 Road vehicles - Functional safety - Part 11: Guidelines for semiconductor applications {译}
    道路车辆 功能安全 第11部分:半导体应用指南
    China National Standards
    1:

    English PDF
    GB/T 34590.1-2022 Road vehicles - Functional safety - Part 1: Terminology {译}
    道路车辆 功能安全 第1部分:术语
    China National Standards
    1:

    English PDF
    GB/T 13575.1-2022 Ordinary and narrow V-belt drives - Part 1: Reference width system {译}
    普通和窄V带传动 第1部分:基准宽度制
    China National Standards
    1:

    English PDF
    GB/T 42080.1-2022 Molecular in vitro diagnostic tests - Specification of preexamination procedures for frozen tissues - Part 1: Isolation of RNA {译}
    分子体外诊断检验 冷冻组织检验前过程的规范 第1部分:分离RNA
    China National Standards
    1:

    English PDF
    GB/T 42216.1-2022 Molecular in vitro diagnostic tests - Specification for preexamination procedures of formalin-fixed and paraffin-embedded tissues - Part 1: Isolation of RNA {译}
    分子体外诊断检验 福尔马林固定及石蜡包埋组织检验前过程的规范 第1部分:分离RNA
    China National Standards
    1:

    English PDF
    GB/T 20936.1-2022 Gas detectors for explosive atmospheres - Part 1: Performance requirements for combustible gas detectors {译}
    爆炸性环境用气体探测器 第1部分:可燃气体探测器性能要求
    China National Standards
    1:

    English PDF
    GB/T 26416.1-2022 Chemical Analysis Methods of Rare Earth Ferroalloys Part 1: Determination of Total Rare Earth {译}
    稀土铁合金化学分析方法 第1部分:稀土总量的测定
    China National Standards
    1:

    English PDF
    GB/T 42132.1-2022 Information technology - Machine readable test data for biometric testing and reporting - Part 1: Test reports {译}
    信息技术 用于生物特征识别测试和报告的机读测试数据 第1部分:测试报告
    China National Standards
    1:

    English PDF
    GB/T 42093.1-2022 Standard document structuring - Metamodel - Part 1: Full text {译}
    标准文档结构化 元模型 第1部分:全文
    China National Standards
    1:

    English PDF
    GB/T 2820.1-2022 Alternating generator sets driven by reciprocating internal combustion engines - Part 1: Purpose, rating and performance {译}
    往复式内燃机驱动的交流发电机组 第1部分:用途、定额和性能
    China National Standards
    1:

    English PDF
    GB/T 42236.1-2022 Centralized charging facilities for electric bicycles Part 1: Technical specifications {译}
    电动自行车集中充电设施 第1部分:技术规范
    China National Standards
    1:

    English PDF
    GB/T 16850.1-2022 Test methods for optical amplifiers - Part 1: Power and gain parameters of single-channel optical amplifiers {译}
    光放大器试验方法 第1部分:单波道光放大器功率和增益参数
    China National Standards
    1:

    English PDF
    GB/T 12690.1-2022 Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxides—Part 1: Determination of carbon and sulfur content—High frequency-infrared absorption method {译}
    稀土金属及其氧化物中非稀土杂质化学分析方法 第1部分:碳、硫量的测定 高频-红外吸收法
    China National Standards
    1:

    English PDF
    GB/T 42286.1-2022 Rail Transit Electronic Equipment - On-board Driving Data Recording - Part 1: Technical Specifications {译}
    轨道交通电子设备 车载驾驶数据记录 第1部分:技术规范
    China National Standards
    1:

    English PDF
    GB/T 42193.1-2022 Road vehicles - Communication of emissions-related diagnostics between the vehicle and external equipment - Part 1: General information and use case definitions {译}
    道路车辆 车辆和外部设备之间排放相关诊断的通信 第1部分:一般信息和使用案例定义
    China National Standards
    1:

    English PDF
    GB/T 42126.1-2022 Industrial Wireless Communication Specifications Based on Cellular Networks Part 1: General Technical Requirements {译}
    基于蜂窝网络的工业无线通信规范 第1部分: 通用技术要求
    China National Standards
    1:

    English PDF
    GB/T 3730.1-2022 Terms and definitions for motor vehicles, trailers and motor trains - Part 1: Types {译}
    汽车、挂车及汽车列车的术语和定义 第1部分:类型
    China National Standards
    1:

    English PDF
    GB/T 42163.1-2022 Single-piece cast polyamide pulleys - Part 1: Elevator pulleys {译}
    单体浇铸聚酰胺滑轮 第1部分:电梯滑轮
    China National Standards
    1:

    English PDF
    GB/T 42150.1-2022 Specification for detection of in-situ relay protection device Part 1: General part {译}
    就地化继电保护装置检测规范 第1部分:通用部分
    China National Standards
    1:

    English PDF
    GB/T 14536.1-2022 Electric automatic controllers Part 1: General requirements {译}
    电自动控制器 第1部分:通用要求
    China National Standards
    1:

    English PDF
    GB/T 2659.1-2022 Codes of names of countries and regions and their administrative divisions in the world Part 1: Codes of countries and regions {译}
    世界各国和地区及其行政区划名称代码 第1部分:国家和地区代码
    China National Standards
    1:

    English PDF
    GB/T 26958.71-2022 Product Geometric Specifications (GPS) Filtering Part 71: Robust Region Filters Gaussian Regression Filters {译}
    产品几何技术规范(GPS) 滤波 第71部分:稳健区域滤波器 高斯回归滤波器
    China National Standards
    1:

    English PDF
    GB/T 18916.61-2022 Water withdrawal quotas - Part 61: Lysine salts {译}
    取水定额 第61部分:赖氨酸盐
    China National Standards
    1:

    English PDF
    GB/T 29165.1-2022 Oil and gas industry - Glass fiber reinforced plastic pipes - Part 1: Vocabulary, symbols, applications and materials {译}
    石油天然气工业 玻璃纤维增强塑料管 第1部分:词汇、符号、应用及材料
    China National Standards
    1:

    English PDF
    GB/T 41936.1-2022 Plastics - Determination of torsional stiffness of flexible materials - Part 1: General method {译}
    塑料 柔性材料扭转刚度的测定 第1部分:通用方法
    China National Standards
    1:

    English PDF
    GB/T 33061.11-2022 Plastics - Determination of dynamic mechanical properties - Part 11: Glass transition temperature {译}
    塑料 动态力学性能的测定 第11部分: 玻璃化转变温度
    China National Standards
    1:

    English PDF
    GB/T 42086.1-2022 Hydraulic transmission connection flange connection Part 1: 3.5 MPa ~ 35 MPa, DN13 ~ DN127 series {译}
    液压传动连接 法兰连接 第1部分:3.5 MPa~35 MPa、DN13~DN127系列
    China National Standards
    1:

    English PDF
    GB/T 21079.1-2022 Financial services - Secure cryptographic devices (retail) Part 1: Concepts, requirements and evaluation methods {译}
    金融服务 安全加密设备(零售)第1部分:概念、要求和评估方法
    China National Standards
    1:

    English PDF
    GB/T 1927.21-2022 Test methods for physical and mechanical properties of wood with small unblemished specimens - Part 21: Determination of nail holding force {译}
    无疵小试样木材物理力学性质试验方法 第21部分:握钉力测定
    China National Standards
    1:

    English PDF
    GB/T 42239.1-2022 Enzyme preparations for washing - Part 1: Alkaline protease {译}
    洗涤用酶制剂 第1部分:碱性蛋白酶
    China National Standards
    1:

    English PDF
    GB/T 42076.1-2022 Biotechnology—Cell counting—Part 1: General rules for cell counting methods {译}
    生物技术 细胞计数 第1部分:细胞计数方法通则
    China National Standards
    1:

    English PDF
    GB 9706.271-2022 Medical electrical equipment - Part 2-71: Particular requirements for basic safety and essential performance of functional near-infrared spectroscopy (NIRS) equipment {译}
    医用电气设备 第2-71部分:功能性近红外光谱(NIRS)设备的基本安全和基本性能专用要求
    China National Standards
    1:

    English PDF
    GB 17625.1-2022 Electromagnetic Compatibility Limits Part 1: Limits for Harmonic Current Emissions (Equipment Input Current ≤ 16A per Phase) {译}
    电磁兼容 限值 第1部分:谐波电流发射限值(设备每相输入电流≤16A)
    China National Standards
    1:

    English PDF
    GB 7300.104-2022 Feed Additives Part 1: Amino Acids, Amino Acid Salts and Their Analogues L-Valine {译}
    饲料添加剂 第1部分:氨基酸、氨基酸盐及其类似物 L-缬氨酸
    China National Standards
    1:

    English PDF
    GB 29743.1-2022 Coolant for Motor Vehicles Part 1: Engine Coolant for Fuel Vehicles {译}
    机动车冷却液 第1部分:燃油汽车发动机冷却液
    China National Standards
    1:

    English PDF
    GB/T 41734.1-2022 Radio Frequency Identification of Animals Part 1: Consistency Assessment of Radio Frequency Identification Labels with GB/T 20563 and GB/T 22334 (Including the Issuance and Use of Manufacturer Codes) {译}
    动物射频识别 第1部分:射频识别标签与GB/T 20563和GB/T 22334的一致性评估(包括制造商代码的发放和使用)
    China National Standards
    1:

    English PDF
    GB/T 41758.1-2022 Plastics - Polyketone (PK) molding and extrusion materials - Part 1: Nomenclature system and basis of classification {译}
    塑料 聚酮(PK)模塑和挤出材料 第1部分:命名系统和分类基础
    China National Standards
    1:

    English PDF
    GB/T 3565.1-2022 Safety requirements for bicycles - Part 1: Terms and definitions {译}
    自行车安全要求 第1部分:术语和定义
    China National Standards
    1:

    English PDF
    GB/T 12085.11-2022 Optics and photonics - Environmental test methods - Part 11: Mold growth {译}
    光学和光子学 环境试验方法 第11部分:长霉
    China National Standards
    1:

    English PDF
    GB/T 12085.1-2022 Optics and photonics - Environmental test methods - Part 1: Terminology, test scope {译}
    光学和光子学 环境试验方法 第1部分:术语、试验范围
    China National Standards
    1:

    English PDF
    GB/T 19258.1-2022 Germicidal ultraviolet radiation sources - part 1: low pressure mercury vapor discharge lamps {译}
    杀菌用紫外辐射源 第1部分:低气压汞蒸气放电灯
    China National Standards
    1:

    English PDF
    GB/T 14048.23-2022 Low-voltage switchgear and controlgear - Part 9-1: Arc fault active suppression systems - Arc extinguishing devices {译}
    低压开关设备和控制设备 第9-1部分:电弧故障主动抑制系统 灭弧电器
    China National Standards
    1:

    English PDF
    GB/T 41914.1-2022 Fine bubble technology - General rules for the use and measurement of fine bubbles - Part 1: Terminology {译}
    微细气泡技术 微细气泡使用和测量通则 第1部分:术语
    China National Standards
    1:

    English PDF
    GB/T 4728.11-2022 Graphical symbols for electrical diagrams - Part 11: Building installation floor plans {译}
    电气简图用图形符号 第11部分:建筑安装平面布置图
    China National Standards
    1:

    English PDF
    GB/T 13871.1-2022 Rotary shaft lip seals with elastomeric sealing elements - Part 1: Dimensions and tolerances {译}
    密封元件为弹性体材料的旋转轴唇形密封圈 第1部分:尺寸和公差
    China National Standards
    1:

    English PDF
    GB/T 23031.1-2022 Industrial Internet Platform Application Implementation Guide Part 1: General Principles {译}
    工业互联网平台 应用实施指南 第1部分:总则
    China National Standards
    1:

    English PDF
    GB/T 3836.21-2022 Explosive atmospheres - Part 21: Application of the quality management system for the production of explosion-proof products {译}
    爆炸性环境 第21部分:防爆产品生产质量管理体系的应用
    China National Standards
    1:

    English PDF
    GB/T 3836.11-2022 Explosive atmospheres - Part 11: Classification of properties of gases and vapors - Test methods and data {译}
    爆炸性环境 第11部分:气体和蒸气物质特性分类 试验方法和数据
    China National Standards
    1:

    English PDF
    GB/T 13870.1-2022 Effects of electric currents on humans and domestic animals - Part 1: General {译}
    电流对人和家畜的效应 第1部分:通用部分
    China National Standards
    1:

    English PDF
    GB/T 18403.1-2022 Performance representation of gas analyzers - Part 1: General {译}
    气体分析器性能表示 第1部分:总则
    China National Standards
    1:

    English PDF
    GB/T 41803.1-2022 Information technology - Social security card biometric identification application system - Part 1: General requirements {译}
    信息技术 社会保障卡生物特征识别应用系统 第1部分:通用要求
    China National Standards
    1:

    English PDF
    GB/T 26237.1-2022 Information technology - Biometric data exchange format - Part 1: Framework {译}
    信息技术 生物特征识别数据交换格式 第1部分:框架
    China National Standards
    1:

    English PDF
    GB/T 41815.1-2022 Information technology—Biometrics presents attack detection—Part 1: Framework {译}
    信息技术 生物特征识别呈现攻击检测 第1部分:框架
    China National Standards
    1:

    English PDF
    GB/T 41903.1-2022 Information technology - Object-oriented biometric application programming interface - Part 1: Architecture {译}
    信息技术 面向对象的生物特征识别应用编程接口 第1部分:体系结构
    China National Standards
    1:

    English PDF
    GB/T 22766.1-2022 After-sales service of household and similar electrical appliances - Part 1: General requirements {译}
    家用和类似用途电器售后服务 第1部分:通用要求
    China National Standards
    1:

    English PDF
    GB/T 21109.1-2022 Functional safety of safety instrumented systems in the process industry - Part 1: Framework, definitions, system, hardware and application programming requirements {译}
    过程工业领域安全仪表系统的功能安全 第1部分:框架、定义、系统、硬件和应用编程要求
    China National Standards
    1:

    English PDF
    GB/T 41813.1-2022 Information technology—Test methods for intelligent voice interaction—Part 1: Speech recognition {译}
    信息技术 智能语音交互测试方法 第1部分:语音识别
    China National Standards
    1:

    English PDF
    GB/T 41801.1-2022 Information technology - Biometric identification systems on cards - Part 1: Basic requirements {译}
    信息技术 卡上生物特征识别系统 第1部分:基本要求
    China National Standards
    1:

    English PDF
    GB/T 41901.1-2022 Road vehicles - Methodology for connected vehicles - Part 1: General information {译}
    道路车辆 网联车辆方法论 第1部分:通用信息
    China National Standards
    1:

    English PDF
    GB/T 5169.31-2022 Fire Hazard Tests for Electrical and Electronic Products - Part 31: Surface Spread of Flame - General Rules {译}
    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
    1:

    English PDF
    GB/T 1038.1-2022 Plastics - Films and sheets - Test methods for gas permeability - Part 1: Differential pressure method {译}
    塑料制品 薄膜和薄片 气体透过性试验方法 第1部分:差压法
    China National Standards
    1:

    English PDF
    GB/T 41997.1-2022 Electrical safety of machinery - Vision-based electro-sensitive protective equipment - Part 1: General technical requirements {译}
    机械电气安全 基于视觉的电敏保护设备 第1部分:通用技术要求
    China National Standards
    1:

    English PDF
    GB/T 41771.1-2022 Field Device Integration Part 1: Overview {译}
    现场设备集成 第1部分:概述
    China National Standards
    1:

    English PDF
    GB/T 18233.1-2022 Information technology - General cabling for user buildings - Part 1: General requirements {译}
    信息技术 用户建筑群通用布缆 第1部分:通用要求
    China National Standards
    1:

    English PDF
    GB/T 41866.1-2022 Systems and software engineering - Performance benchmarking framework for information technology projects - Part 1: Concepts and definitions {译}
    系统与软件工程 信息技术项目绩效基准度量框架 第1部分:概念和定义
    China National Standards
    1:

    English PDF
    GB/T 42005.1-2022 Rail transit - Energy storage trams - Part 1: Capacitive energy storage power supply {译}
    轨道交通 储能式电车 第1部分:电容式储能电源
    China National Standards
    1:

    English PDF
    GB/T 28827.1-2022 Information technology services - Operation and maintenance - Part 1: General requirements {译}
    信息技术服务 运行维护 第1部分:通用要求
    China National Standards
    1:

    English PDF
    GB/T 41814.1-2022 Information technology - Biometric calibration, augmentation and fusion data - Part 1: Fusion information format {译}
    信息技术 生物特征识别校准、增强和融合数据 第1部分:融合信息格式
    China National Standards
    1:

    English PDF
    GB/T 41787.1-2022 Ceiling-mounted interface for indoor LED lighting equipment - Part 1: Specifications for mechanical and electrical interfaces {译}
    室内LED照明设备天花板安装接口 第1部分:机械接口和电气接口规范
    China National Standards
    1:

    English PDF
    GB/T 16825.1-2022 Metallic materials - Inspection and calibration of static uniaxial testing machines - Part 1: Tensile and (or) compression testing machines - Inspection and calibration of force measuring systems {译}
    金属材料 静力单轴试验机的检验与校准 第1部分:拉力和(或)压力试验机 测力系统的检验与校准
    China National Standards
    1:

    English PDF
    GB/T 37141.1-2022 Guidelines for Ultraviolet Imaging Inspection of Electrical Equipment in High Altitude Areas Part 1: Substations {译}
    高海拔地区电气设备紫外线成像检测导则 第1部分:变电站
    China National Standards
    1:

    English PDF
    GB/T 20001.11-2022 Rules for writing standards - Part 11: Management system standards {译}
    标准编写规则 第11部分:管理体系标准
    China National Standards
    1:

    English PDF
    GB/T 18268.31-2022 Electrical equipment for measurement, control and laboratory use - Electromagnetic compatibility requirements - Part 31: Immunity requirements for safety-related systems and equipment intended to perform safety-related functions (functional safety) Genera {译}
    测量、控制和实验室用的电设备 电磁兼容性要求 第31部分:安全相关系统和预期执行安全相关功能(功能安全)设备的抗扰度要求 一般工业应用
    China National Standards
    1:

    English PDF
    GB/T 41782.1-2022 Internet of things system interoperability part 1: framework {译}
    物联网 系统互操作性 第1部分:框架
    China National Standards
    1:

    English PDF
    GB/T 25361.1-2022 Internal combustion engines - Piston pins - Part 1: Technical requirements {译}
    内燃机 活塞销 第1部分:技术要求
    China National Standards
    1:

    English PDF
    GB/T 14233.1-2022 Test methods for medical infusion, blood transfusion and injection equipment - Part 1: Chemical analysis methods {译}
    医用输液、输血、注射器具检验方法 第1部分:化学分析方法
    China National Standards
    1:

    English PDF
    GB/T 18779.1-2022 Geometric Product Specification (GPS) Measurement Inspection of Workpieces and Measuring Equipment Part 1: Rules for Passing or Failing Verification According to Specifications {译}
    产品几何技术规范(GPS) 工件与测量设备的测量检验 第1部分:按规范验证合格或不合格的判定规则
    China National Standards
    1:

    English PDF

    Find out:500Items   |  To Page of: First -Previous-Next -Last  | 1 2 3

     

    +86-755-25831330        [email protected] 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2025 All Rights Reserved

    - Since 2001 -
    Focus on China Standards & Compliance Services

    www.gbstandards.org

    China National Standards