China National Standards

China ol GB Standards Search


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 "ol" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 16145-2022 Gamma Spectroscopy Analysis Method of Radionuclides in Environmental and Biological Samples
    环境及生物样品中放射性核素的γ能谱分析方法
    China National Standards
    ol

    English PDF
    GB/T 5291.2-2022 Electric discharge forming machine tools - Accuracy inspection - Part 2: Double column machine tools (moving spindle head type)
    电火花成形机床 精度检验 第2部分:双立柱机床(移动主轴头型)
    China National Standards
    ol

    English PDF
    GB/Z 42246-2022 Nanotechnology Guidance on test methods for genotoxicity of nanomaterials
    纳米技术 纳米材料遗传毒性试验方法指南
    China National Standards
    ol

    English PDF
    GB/T 42092-2022 Translation, Interpretation and Related Technologies Glossary
    笔译、口译及相关技术 词汇
    China National Standards
    ol

    English PDF
    GB/T 16895.22-2022 Low-voltage electrical installations - Part 5-53: Selection and installation of electrical equipment. Electrical appliances for safety protection, isolation, switching, control and monitoring
    低压电气装置 第5-53部分:电气设备的选择和安装 用于安全防护、隔离、通断、控制和监测的电器
    China National Standards
    ol

    English PDF
    GB/T 21675-2022 African Horse Sickness Diagnostic Technology
    非洲马瘟诊断技术
    China National Standards
    ol

    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
    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
    ol

    English PDF
    GB/Z 17215.652-2022 Electrical Measurement Data Exchange DLMS/COSEM Components Part 52: Communication Protocol Management Distribution Line Message Specification (DLMS) Server
    电测量数据交换 DLMS/COSEM组件 第52部分:通信协议管理配电线报文规范(DLMS)服务器
    China National Standards
    ol

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

    English PDF
    GB/Z 17215.669-2022 Electrical measurement data exchange - DLMS/COSEM components - Part 69: Mapping between common information model message sets (IEC 61968-9) and DLMS/COSEM (IEC 62056) data models and protocols
    电测量数据交换 DLMS/COSEM组件 第69部分:公共信息模型消息集(IEC 61968-9)与DLMS/COSEM(IEC 62056)数据模型和协议间的映射
    China National Standards
    ol

    English PDF
    GB/T 26863-2022 Thermal Power Station Monitoring System Terminology
    火电站监控系统术语
    China National Standards
    ol

    English PDF
    GB/T 42077-2022 Biotechnology—Performance evaluation requirements for nucleic acid target sequence quantification methods—qPCR and dPCR methods
    生物技术 核酸靶序列定量方法的性能评价要求 qPCR法和dPCR法
    China National Standards
    ol

    English PDF
    GB/T 42180-2022 A286 MJ Long Thread Dodecagon Bolts for Aerospace
    航空航天用A286 MJ长螺纹十二角螺栓
    China National Standards
    ol

    English PDF
    GB/T 42255-2022 General specification for stainless steel solid rivets for aerospace
    航空航天用不锈钢实心铆钉通用规范
    China National Standards
    ol

    English PDF
    GB/T 42170-2022 Footwear - Test methods for hollow and solid heels with heels - Heel adhesion
    鞋类 带跟面的空心和实心鞋跟试验方法 跟面结合力
    China National Standards
    ol

    English PDF
    GB/T 18802.352-2022 Low-voltage surge arrester components - Part 352: Guidelines for the selection and use of surge isolating transformers (SIT) for telecommunication and signaling networks
    低压电涌保护器元件 第352部分:电信和信号网络的电涌隔离变压器(SIT)的选择和使用导则
    China National Standards
    ol

    English PDF
    GB/T 42088-2022 Feed Processing Plant Intelligent Technology Guidelines
    饲料加工厂 智能化技术导则
    China National Standards
    ol

    English PDF
    GB/T 16886.19-2022 Biological evaluation of medical devices - Part 19: Physicochemical, morphological and surface characterization of materials
    医疗器械生物学评价 第19部分:材料物理化学、形态学和表面特性表征
    China National Standards
    ol

    English PDF
    GB/T 25160-2022 Packaging Cardboard Folding Carton Structural Dimensions
    包装 卡纸板折叠纸盒结构尺寸
    China National Standards
    ol

    English PDF
    GB/T 42287-2022 High Voltage Test Techniques Electromagnetic and Acoustic Methods for Partial Discharge Measurements
    高电压试验技术 电磁和声学法测量局部放电
    China National Standards
    ol

    English PDF
    GB/Z 42245-2022 Space Environment Applied Estimation of Solar Wind Energy Input to the Earth's Magnetosphere Using the Ground-Based Pole Cover (PC) Index
    空间环境 利用地基磁极盖(PC)指数对输入地球磁层的太阳风能量的应用估算
    China National Standards
    ol

    English PDF
    GB/T 38812.4-2022 Direct reduced iron - Determination of metallic iron content - Bromine-methanol titration
    直接还原铁 金属铁含量的测定 溴-甲醇滴定法
    China National Standards
    ol

    English PDF
    GB/T 16886.18-2022 Biological evaluation of medical devices - Part 18: Chemical characterization of medical device materials in the risk management process
    医疗器械生物学评价 第18部分:风险管理过程中医疗器械材料的化学表征
    China National Standards
    ol

    English PDF
    GB/T 16886.15-2022 Biological Evaluation of Medical Devices-Part 15: Qualitative and Quantitative Degradation Products of Metals and Alloys
    医疗器械生物学评价 第15部分:金属与合金降解产物的定性与定量
    China National Standards
    ol

    English PDF
    GB/T 16886.9-2022 Biological evaluation of medical devices - Part 9: Qualitative and quantitative framework for potential degradation products
    医疗器械生物学评价 第9部分:潜在降解产物的定性和定量框架
    China National Standards
    ol

    English PDF
    GB/T 42162-2022 Raw rubber - Determination of residual monomers and other volatile low molecular weight compounds by capillary gas chromatography - Thermal desorption (dynamic headspace) method
    生橡胶 毛细管气相色谱测定残留单体和其他挥发性低分子量化合物 热脱附(动态顶空)法
    China National Standards
    ol

    English PDF
    GB/T 42114-2022 Determination of flavonols in cassava leaves by high performance liquid chromatography
    木薯叶片中黄酮醇的测定 高效液相色谱法
    China National Standards
    ol

    English PDF
    GB/T 42266-2022 Flexible porous polymeric materials - Laboratory evaluation of the combustion characteristics of small specimens in the horizontal direction under a small flame
    柔性多孔聚合物材料 小试样在小火焰下水平方向燃烧特性的实验室评估
    China National Standards
    ol

    English PDF
    GB/T 32120-2022 Oxidative aggregation coating corrosion control technology for steel structure
    钢结构氧化聚合型包覆腐蚀控制技术
    China National Standards
    ol

    English PDF
    GB/T 22264.2-2022 Mounted electrical measuring instruments with digital display - Part 2: Particular requirements for ammeters and voltmeters
    安装式数字显示电测量仪表 第2部分:电流表和电压表的特殊要求
    China National Standards
    ol

    English PDF
    GB/T 15166.5-2022 High-voltage AC fuses-Part 5: Guidelines for the selection of fuses for high-voltage fuses for motor circuits
    高压交流熔断器 第5部分:用于电动机回路的高压熔断器的熔断件选用导则
    China National Standards
    ol

    English PDF
    GB/T 42258-2022 Determination of Fatigue Properties of Flexible Porous Polymer Materials by Constant Deformation Method
    柔性多孔聚合物材料 恒定形变法测定疲劳性能
    China National Standards
    ol

    English PDF
    GB/T 42267-2022 Determination of compression set of flexible porous polymeric materials under wet conditions
    柔性多孔聚合物材料 在潮湿条件下压缩永久变形的测定
    China National Standards
    ol

    English PDF
    GB/T 39693.8-2022 Vulcanized rubber or thermoplastic rubber - Determination of hardness - Part 8: Determination of apparent hardness of rubber rollers by Zhao's hardness (P&J) method
    硫化橡胶或热塑性橡胶 硬度的测定 第8部分:赵氏硬度(P&J)法测定胶辊的表观硬度
    China National Standards
    ol

    English PDF
    GB/T 39693.7-2022 Vulcanized rubber or thermoplastic rubber - Determination of hardness - Part 7: Determination of the apparent hardness of rubber rollers by the Shore hardness method
    硫化橡胶或热塑性橡胶 硬度的测定 第7部分:邵氏硬度法测定胶辊的表观硬度
    China National Standards
    ol

    English PDF
    GB/T 41938-2022 Rubber compounding agent - Precipitated hydrated silica - Evaluation method in mixtures of solution-polymerized styrene-butadiene rubber (S-SBR) and butadiene rubber (BR)
    橡胶配合剂 沉淀水合二氧化硅 在溶聚丁苯橡胶(S-SBR)和丁二烯橡胶(BR)混合物中的评价方法
    China National Standards
    ol

    English PDF
    GB/T 41914.2-2022 Microbubble technology General rules for the use and measurement of microbubbles Part 2: Classification of microbubble properties
    微细气泡技术 微细气泡使用和测量通则 第2部分:微细气泡属性分类
    China National Standards
    ol

    English PDF
    GB/T 41957-2022 Carbon Black Raw Oil Petroleum Refining Catalytic Oil Slurry
    炭黑原料油 石油炼制催化油浆
    China National Standards
    ol

    English PDF
    GB/T 42281-2022 Membrane Aerated Biofilm Reactor (MABR) Hollow Fiber Membrane Module
    膜曝气生物膜反应器(MABR)中空纤维膜组件
    China National Standards
    ol

    English PDF
    GB/T 6104.2-2022 Industrial vehicles - Terminology - Part 2: Forks and attachments
    工业车辆 术语 第2部分:货叉和属具
    China National Standards
    ol

    English PDF
    GB/T 8750-2022 Gold-based bonding wire and ribbon for semiconductor packaging
    半导体封装用金基键合丝、带
    China National Standards
    ol

    English PDF
    GB/T 25915.15-2022 Clean rooms and related controlled environments - Part 15: Suitability assessment of equipment and materials by concentration of gaseous chemicals
    洁净室及相关受控环境 第15部分: 按气态化学物浓度评定设备及材料的适用性
    China National Standards
    ol

    English PDF
    GB/T 25915.14-2022 Clean rooms and related controlled environments - Part 14: Assessment of equipment suitability by particle concentration
    洁净室及相关受控环境 第14部分:按粒子浓度评估设备适用性
    China National Standards
    ol

    English PDF
    GB/T 25915.13-2022 Cleanrooms and related controlled environments - Part 13: Surface cleaning to particle and chemical cleanliness requirements
    洁净室及相关受控环境 第13部分:达到粒子和化学洁净度要求的表面清洁
    China National Standards
    ol

    English PDF
    GB/T 30918-2022 Evaluation method of non-oil-extended solution polymerized isoprene rubber (IR)
    非充油溶液聚合型异戊二烯橡胶(IR) 评价方法
    China National Standards
    ol

    English PDF
    GB/T 3780.29-2022 Carbon black - Part 29: Determination of solvent extractables
    炭黑 第29部分:溶剂可萃取物的测定
    China National Standards
    ol

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

    English PDF
    GB/T 41955-2022 Non-opening compression test method for multidirectional laminates of polymer matrix composites
    聚合物基复合材料多向层合板无开孔压缩试验方法
    China National Standards
    ol

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

    English PDF
    GB/T 41969-2022 Construction Machinery and Equipment Advanced Geological Drilling Rigs
    建筑施工机械与设备 超前地质钻机
    China National Standards
    ol

    English PDF
    GB/T 26958.85-2022 Geometric Product Specification (GPS) Filtering Part 85: Morphological Region Filters Segmentation
    产品几何技术规范(GPS) 滤波 第85部分:形态学区域滤波器 分割
    China National Standards
    ol

    English PDF
    GB/T 42080.2-2022 Molecular in vitro diagnostic tests - Specification of pre-examination procedures for frozen tissues - Part 2: Isolation of proteins
    分子体外诊断检验 冷冻组织检验前过程的规范 第2部分:分离蛋白质
    China National Standards
    ol

    English PDF
    GB/T 42080.1-2022 Molecular in vitro diagnostic tests - Specification of preexamination procedures for frozen tissues - Part 1: Isolation of RNA
    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
    ol

    English PDF
    GB/T 42216.2-2022 Molecular in vitro diagnostic tests - Specification for pre-examination procedures of formalin-fixed and paraffin-embedded tissues - Part 2: Isolation of proteins
    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2部分:分离蛋白质
    China National Standards
    ol

    English PDF
    GB/T 42216.3-2022 Molecular in vitro diagnostic tests - Specification for preexamination procedures of formalin-fixed and paraffin-embedded tissues - Part 3: Isolation of DNA
    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3部分:分离DNA
    China National Standards
    ol

    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
    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
    ol

    English PDF
    GB/Z 16886.22-2022 Biological Evaluation of Medical Devices Part 22: Guidelines for Nanomaterials
    医疗器械生物学评价 第22部分:纳米材料指南
    China National Standards
    ol

    English PDF
    GB/T 41927-2022 Plastics - Thermoset molding compounds - Short-term performance evaluation at elevated temperatures
    塑料 热固性模塑料 高温下的短期性能评估
    China National Standards
    ol

    English PDF
    GB/T 41926-2022 Plastics - Determination of 1,2-ethylene glycol content in epoxy resins
    塑料 环氧树脂 1,2-乙二醇含量的测定
    China National Standards
    ol

    English PDF
    GB/T 41931-2022 Plastics/Rubber Polymer Dispersions and Synthetic Rubber Latex Freeze-Thaw Cycle Stability Test
    塑料/橡胶 聚合物分散体和合成橡胶胶乳 冻融循环稳定性试验
    China National Standards
    ol

    English PDF
    GB/T 41936.2-2022 Plastics - Determination of torsional rigidity of flexible materials - Part 2: Plasticized vinyl chloride homopolymers and copolymers
    塑料 柔性材料扭转刚度的测定 第2部分: 增塑氯乙烯均聚物和共聚物
    China National Standards
    ol

    English PDF
    GB/T 11942-2022 Chromaticity measurement method of colored building materials
    彩色建筑材料色度测量方法
    China National Standards
    ol

    English PDF
    GB/T 42118-2022 Specifications for the construction of straw collection, storage and transportation system
    秸秆收储运体系建设规范
    China National Standards
    ol

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

    English PDF
    GB/T 18916.3-2022 Quotas for water withdrawals Part 3: Petroleum refining
    取水定额 第3部分:石油炼制
    China National Standards
    ol

    English PDF
    GB/T 28181-2022 Technical requirements for information transmission, exchange and control of public security video surveillance networking system
    公共安全视频监控联网系统信息传输、交换、控制技术要求
    China National Standards
    ol

    English PDF
    GB/T 42099-2022 PMMEL Item Analysis Methodology for Civil Aircraft
    民用飞机主最低设备清单建议书(PMMEL)项目分析方法
    China National Standards
    ol

    English PDF
    GB/T 42184-2022 Cargo Intermodal Terminology
    货物多式联运术语
    China National Standards
    ol

    English PDF
    GB/T 37036.6-2022 Information technology - Biometrics for mobile devices - Part 6: Finger veins
    信息技术 移动设备生物特征识别 第6部分:指静脉
    China National Standards
    ol

    English PDF
    GB/T 37036.8-2022 Information technology - Biometrics for mobile devices - Part 8: Detection of rendering attacks
    信息技术 移动设备生物特征识别 第8部分:呈现攻击检测
    China National Standards
    ol

    English PDF
    GB/T 41963-2022 Technical requirements for classification and collection of chemicals used in waste vehicles
    废弃车用化学品分类与收集技术要求
    China National Standards
    ol

    English PDF
    GB/T 42169-2022 Green Product Evaluation Household Gas Appliances
    绿色产品评价 家用燃气用具
    China National Standards
    ol

    English PDF
    GB/T 42186-2022 Operational Specifications for Cold Chain Logistics of Biological Samples for Medical Testing
    医学检验生物样本冷链物流运作规范
    China National Standards
    ol

    English PDF
    GB/T 20899.8-2022 Methods for chemical analysis of gold ores - Part 8: Determination of sulfur content
    金矿石化学分析方法 第8部分:硫量的测定
    China National Standards
    ol

    English PDF
    GB/T 20899.7-2022 Methods for chemical analysis of gold ores - Part 7: Determination of iron content
    金矿石化学分析方法 第7部分:铁量的测定
    China National Standards
    ol

    English PDF
    GB/T 7739.8-2022 Methods for chemical analysis of gold concentrates - Part 8: Determination of sulfur content
    金精矿化学分析方法 第8部分:硫量的测定
    China National Standards
    ol

    English PDF
    GB/T 7739.7-2022 Methods for chemical analysis of gold concentrates - Part 7: Determination of iron content
    金精矿化学分析方法 第7部分:铁量的测定
    China National Standards
    ol

    English PDF
    GB/T 42119-2022 Livestock slaughtering and processing equipment Poultry carcass spiral cooling equipment
    畜禽屠宰加工设备 家禽胴体螺旋冷却设备
    China National Standards
    ol

    English PDF
    GB/T 42133-2022 Information Technology OFD File Application Guide
    信息技术 OFD档案应用指南
    China National Standards
    ol

    English PDF
    GB/T 26237.9-2022 Information technology - Biometric data exchange format - Part 9: Vascular image data
    信息技术 生物特征识别数据交换格式 第9部分:血管图像数据
    China National Standards
    ol

    English PDF
    GB/T 42132.1-2022 Information technology - Machine readable test data for biometric testing and reporting - Part 1: Test reports
    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
    ol

    English PDF
    GB/T 41903.3-2022 Information technology - Object-oriented biometric application programming interface - Part 3: C# implementation
    信息技术 面向对象的生物特征识别应用编程接口 第3部分:C#实现
    China National Standards
    ol

    English PDF
    GB/T 41903.2-2022 Information technology - Object-oriented biometric application programming interface - Part 2: Java implementation
    信息技术 面向对象的生物特征识别应用编程接口 第2部分:Java实现
    China National Standards
    ol

    English PDF
    GB/T 17814-2022 Determination of butylated hydroxyanisole, dibutyl hydroxytoluene, tert-butyl hydroquinone, ethoxyquinoline and propyl gallate in feed
    饲料中丁基羟基茴香醚、二丁基羟基甲苯、特丁基对苯二酚、乙氧基喹啉和没食子酸丙酯的测定
    China National Standards
    ol

    English PDF
    GB/T 30923-2022 Plastic polypropylene (PP) meltblown special material
    塑料 聚丙烯(PP)熔喷专用料
    China National Standards
    ol

    English PDF
    GB/T 12963-2022 Electronic Grade Polysilicon
    电子级多晶硅
    China National Standards
    ol

    English PDF
    GB/T 42106-2022 Nanotechnology Three-dimensional nanostructures and device processing methods Ion beam irradiation-induced strain method
    纳米技术 三维纳米结构与器件的加工方法 离子束辐照诱导应变法
    China National Standards
    ol

    English PDF
    GB/T 11603-2022 Method for determination of average wool fiber diameter - airflow method
    羊毛纤维平均直径测定法 气流法
    China National Standards
    ol

    English PDF
    GB/T 29374-2022 Grain and Oil Storage Grain Cooler Application Technical Regulations
    粮油储藏 谷物冷却机应用技术规程
    China National Standards
    ol

    English PDF
    GB/T 42120-2022 Frozen Lamb Rolls
    冻卷羊肉
    China National Standards
    ol

    English PDF
    GB/T 42223-2022 Textiles - Tests for color fastness - Color fastness to rubbing Gakushin method
    纺织品 色牢度试验 耐摩擦色牢度 Gakushin法
    China National Standards
    ol

    English PDF
    GB/T 14352.24-2022 Methods for chemical analysis of tungsten ore and molybdenum ore - Part 24: Determination of germanium content - Inductively coupled plasma mass spectrometry
    钨矿石、钼矿石化学分析方法 第24部分:锗含量的测定 电感耦合等离子体质谱法
    China National Standards
    ol

    English PDF
    GB/T 42218-2022 Laboratory medicine - In vitro diagnostic medical devices - Manufacturer's confirmation of quality control procedures provided to users
    检验医学 体外诊断医疗器械 制造商对提供给用户的质量控制程序的确认
    China National Standards
    ol

    English PDF
    GB/T 42265-2022 Test method for air purification performance of photocatalytic materials - Removal of toluene
    光催化材料空气净化性能测试方法 甲苯的去除
    China National Standards
    ol

    English PDF
    GB/T 18323-2022 Plain bearings Sintered bushings Dimensions and tolerances
    滑动轴承 烧结轴套 尺寸和公差
    China National Standards
    ol

    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
    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
    ol

    English PDF
    GB/T 3228-2022 Assembly tools for bolts and nuts - Dimensions of impact motorized square drive sockets
    螺栓螺母用装配工具 冲击式机动四方传动套筒的尺寸
    China National Standards
    ol

    English PDF
    GB/T 42220-2022 Quality evaluation of gold inlaid jade inlay technology
    金镶玉镶嵌工艺质量评价
    China National Standards
    ol

    English PDF
    GB/T 42290-2022 Code for analysis and control of airborne radioactive source items in pressurized water reactor nuclear power plants
    压水堆核电厂气载放射性源项分析和控制规范
    China National Standards
    ol

    English PDF
    GB/T 42291-2022 Design criteria for radiation protection of doors and windows in the control area of pressurized water reactor nuclear power plants
    压水堆核电厂控制区门窗辐射防护设计准则
    China National Standards
    ol

    English PDF

    Find out:14143Items   |  To Page of: First -Previous-Next -Last  | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142

    +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