China National Standards

China tin 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 "tin" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 4772.2-1999 Dimensions and output series for rotating electrical machines--Part 2:Frame numbers 355 to 1000 and flange numbers 1180 to 2360
    旋转电机尺寸和输出功率等级 第2部分:机座号355~1000和凸缘号1180~2360
    China National Standards
    tin

    English PDF
    GB/T 4772.1-1999 Dimensions and output series for rotating electrical machines--Part 1:Frame numbers 56 to 400 and flange numbers 55 to 1080
    旋转电机尺寸和输出功率等级 第1部分:机座号56~400和凸缘号55~1080
    China National Standards
    tin

    English PDF
    GB/T 17680.4-1999 Criteria for emergency planning and preparedness for nuclear power plants--The off-site emergency planning and implementing procedures
    核电厂应急计划与准备准则 场外应急计划与执行程序
    China National Standards
    tin

    English PDF
    GB/T 17671-1999 Method of testing cements--Determinationof strength
    水泥胶砂强度检验方法(ISO法)
    China National Standards
    tin

    English PDF
    GB/T 12165-1998 Reliability requirements and testing methods for cassette tape recorders
    盒式磁带录音机可靠性要求和试验方法
    China National Standards
    tin

    English PDF
    GB/T 17649-1998 Duplicating machines--Registration
    复印机械-图像印位精度及测量方法
    China National Standards
    tin

    English PDF
    GB/T 17648-1998 Insulating liquids--Determination of the Partial Discharge Inception Voltage (PDIV)--Test procedure
    绝缘液体 局部放电起始电压测定 试验程序
    China National Standards
    tin

    English PDF
    GB/T 17623-1998 Determination of componental contents of gases dissolved in insulating oil by gas chromatography method
    绝缘油中溶解气体组分含量的气相色谱测定法
    China National Standards
    tin

    English PDF
    GB/T 5061-1998 Metallic powders--Determination of apparent den-sity--Part 3:Oscillating funnel method
    金属粉末松装密度的测定 第3部分:振动漏斗法
    China National Standards
    tin

    English PDF
    GB/T 17626.10-1998 Electromagnetic compatibility--Testing and measurement techniques--Damped oscillatory magnetic field immunity test
    电磁兼容 试验和测量技术 阻尼振荡磁场抗扰度试验
    China National Standards
    tin

    English PDF
    GB/T 17619-1998 Limits and methods of testing for immunity of electrical/electronic sub-assemblies in vehicles to electromagnetic radiation
    机动车电子电器组件的电磁辐射抗扰性限值和测量方法
    China National Standards
    tin

    English PDF
    GB/T 9750-1998 Marks for package of coating products
    涂料产品包装标志
    China National Standards
    tin

    English PDF
    GB/T 17603-1998 Method for outdoor exposure testing of photodegradable plastics
    光解性塑料户外暴露试验方法
    China National Standards
    tin

    English PDF
    GB/T 12583-1998 Standard test method for measurement of extreme-pressure properties of lubricating fluids(four-ball method)
    润滑剂极压性能测定法(四球法)
    China National Standards
    tin

    English PDF
    GB/T 15970.5-1998 Corrosion of metals and alloys--Stress corrosion testing--Part 5:Preparation and useof C-ring specimens
    金属和合金的腐蚀 应力腐蚀试验 第5部分:C型环试样的制备和应用
    China National Standards
    tin

    English PDF
    GB/T 8438-1998 Textiles--Tests for colour fastness--Colour fastness to pleating:Steam pleating
    纺织品 色牢度试验 耐褶裥色牢度:蒸汽褶裥
    China National Standards
    tin

    English PDF
    GB/T 8436-1998 Textiles--Tests for colourfastness--Colour fastness to acid-felting:Mild
    纺织品 色牢度试验 耐酸性毡合色牢度:温和的
    China National Standards
    tin

    English PDF
    GB/T 8435-1998 Textiles--Tests for colourfastness--Colour fastness to acid-felting:Severe
    纺织品 色牢度试验 耐酸性毡合色牢度:剧烈的
    China National Standards
    tin

    English PDF
    GB/T 17596-1998 Textiles--Commercial laundering procedure for textile fabrics prior to flammability testing
    纺织品 织物燃烧试验前的商业洗涤程序
    China National Standards
    tin

    English PDF
    GB/T 17595-1998 Textiles--Domestic laundering procedures for textile fabrics prior to flammability testing
    纺织品 织物燃烧试验前的家庭洗涤程序
    China National Standards
    tin

    English PDF
    GB/T 8064-1998 Acceptance conditions for gear hobbing machines--Testing of the accuracy
    滚齿机 精度检验
    China National Standards
    tin

    English PDF
    GB/T 6078.2-1998 Centre drills--Part 2:Centre drills for centre holes with protecting chamfers--Type B--Dimensions
    中心钻 第2部分:带护锥的中心钻 B型 型式和尺寸
    China National Standards
    tin

    English PDF
    GB/T 6078.1-1998 Centre drills--Part 1:Centre drills for centre holes without protecting chamfers--Type A--Dimensions
    中心钻 第1部分:不带护锥的中心钻 A型 型式和尺寸
    China National Standards
    tin

    English PDF
    GB/T 15157.2-1998 Connectors for frequencies below 3MHz for use with printed boards--Part 2:Detail specification for two-part connectors with assessed quality,for printed boards,for basic grid of 2.54 mm(0.1in) with commonmounting features
    印制板用频率低于3 MHz的连接器 第2部分:有质量评定的具有通用安装特征 基本网格2.54 mm(0.1in)的印制板用两件式连接器详细规范
    China National Standards
    tin

    English PDF
    GB/T 17555-1998 Information technology--Computer graphics and image processing--Conformance testing of implementations of graphics standards
    信息技术 计算机图形与图像处理 图形标准实现的一致性测试
    China National Standards
    tin

    English PDF
    GB/T 16656.201-1998 Industrial automation systems and integration--Product data representation and exchange--Part 201:Application protocol:Explicit draughting
    工业自动化系统与集成 产品数据表达与交换 第201部分:应用协议:显式绘图
    China National Standards
    tin

    English PDF
    GB/T 8444-1998 Textiles--Testing method for colour fastness to metals in the dye-bath:Iron and copper
    纺织品 耐染浴中铁和铜金属色牢度试验方法
    China National Standards
    tin

    English PDF
    GB/T 8443-1998 Textiles--Testing method for colour fastness to metals in the dye-bath:Chromium salts
    纺织品 耐染浴中金属铬盐色牢度试验方法
    China National Standards
    tin

    English PDF
    GB/T 2918-1998 Plastics--Standard atmospheres for conditioning and testing
    塑料试样状态调节和试验的标准环境
    China National Standards
    tin

    English PDF
    GB/T 2975-1998 Steel and steel products--Location and preparation of test pieces for mechanical testing
    钢及钢产品 力学性能试验取样位置及试样制备
    China National Standards
    tin

    English PDF
    GB/T 17500-1998 Satellite earth stations(SES)--Receive-only very small aperture terminals(VSAT) used for data distribution operating in the 11/12 GHz frequency bands
    卫星地球站 工作在11/12 GHz频带下用于数据分配的只接收甚小口径终端(VSAT)技术要求
    China National Standards
    tin

    English PDF
    GB/T 17489-1998 Hydraulic fluid power--Particulate contamination analysis--Extraction of fluid samples from lines of anoperating system
    液压颗粒污染分析 从工作系统管路中提取液样
    China National Standards
    tin

    English PDF
    GB/T 17487-1998 Hydraulic fluid power--Four-and five-port servovalves--Mounting surfaces
    四油口和五油口液压伺服阀 安装面
    China National Standards
    tin

    English PDF
    GB/T 7631.15-1998 Lubricants and related products(class L)--Classification--Part 15:Family N (Insulating liquids)
    润滑剂和有关产品(L类)的分类 第15部分:N组(绝缘液体)
    China National Standards
    tin

    English PDF
    GB/T 17476-1998 Standard test method for determination of additiveelements,wear metals,and contaminants in used lubricanting oils and determination of selected elements in base oils by inductively coupled plasmaatomic emission spectrometry(ICP-AES)
    使用过的润滑油中添加剂元素、磨损金属和污染物以及基础油中某些元素测定法(电感耦合等离子体发射光谱法)
    China National Standards
    tin

    English PDF
    GB/T 17471-1998 Principles for providing of monitoring and measuring instruments of energy in boiler heating network system
    锅炉热网系统能源监测与计量仪表配备原则
    China National Standards
    tin

    English PDF
    GB/T 15153.1-1998 Telecontrol equipment and systems--Part 2:Operating conditions--Section 1:Power supply and electromagnetic compatibility
    远动设备及系统 第2部分:工作条件 第1篇:电源和电磁兼容性
    China National Standards
    tin

    English PDF
    GB/T 17462-1998 Metallic coatings--Electroplated coatingsof tin-nickel alloys
    金属覆盖层 锡-镍合金电镀层
    China National Standards
    tin

    English PDF
    GB/T 17461-1998 Metallic coatings--Electroplated coatingsof tin-lead alloys
    金属覆盖层 锡-铅合金电镀层
    China National Standards
    tin

    English PDF
    GB/T 17459-1998 Ductile iron pipes--Bitumen coating
    球墨铸铁管 沥青涂层
    China National Standards
    tin

    English PDF
    GB/T 8993-1998 Environmental conditions and testing procedures for nuclear instrumentation
    核仪器环境条件与试验方法
    China National Standards
    tin

    English PDF
    GB/T 7676.9-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 9:Recom-mended test methods
    直接作用模拟指示电测量仪表及其附件 第9部分:推荐的试验方法
    China National Standards
    tin

    English PDF
    GB/T 7676.8-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 8:Special requirements for accessories
    直接作用模拟指示电测量仪表及其附件 第8部分:附件的特殊要求
    China National Standards
    tin

    English PDF
    GB/T 7676.7-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 7:Special requirements for multi-function instruments
    直接作用模拟指示电测量仪表及其附件 第7部分:多功能仪表的特殊要求
    China National Standards
    tin

    English PDF
    GB/T 7676.6-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 6:Special requirements for ohmmeters(impedance meters) and conductance meters
    直接作用模拟指示电测量仪表及其附件 第6部分:电阻表(阻抗表)和电导表的特殊要求
    China National Standards
    tin

    English PDF
    GB/T 7676.5-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 5:Special requirements for phase meters,power factor meters and synchroscopes
    直接作用模拟指示电测量仪表及其附件 第5部分:相位表、功率因数表和同步指示器的特殊要求
    China National Standards
    tin

    English PDF
    GB/T 7676.4-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 4:Special requirements for frequency meters
    直接作用模拟指示电测量仪表及其附件 第4部分:频率表的特殊要求
    China National Standards
    tin

    English PDF
    GB/T 7676.3-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 3:Special requirements for wattmeters and varmeters
    直接作用模拟指示电测量仪表及其附件 第3部分:功率表和无功率表的特殊要求
    China National Standards
    tin

    English PDF
    GB/T 7676.2-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 2:Special requirements for ammeters and voltmeters
    直接作用模拟指示电测量仪表及其附件 第2部分:电流表和电压表的特殊要求
    China National Standards
    tin

    English PDF
    GB/T 7676.1-1998 Direct acting indicating analogue electrical measuring instruments and their accessories--Part 1:Definition and general requirements common to all parts
    直接作用模拟指示电测量仪表及其附件 第1部分:定义和通用要求
    China National Standards
    tin

    English PDF
    GB/T 17442-1998 Acceptance inspection fordirect connected alternating current static watt-hour meters for active energy (classes 1 and 2)
    1级和2级直接接入静止式交流有功电度表验收检验
    China National Standards
    tin

    English PDF
    GB/T 13850-1998 Electrical measuring transducers for converting a.c. electrical quantities to analogue or digital singals
    交流电量转换为模拟量或数字信号的电测量变送器
    China National Standards
    tin

    English PDF
    GB/T 17430-1998 Estimating the maximum use temperature of thermal insulation
    绝热材料最高使用温度的评估方法
    China National Standards
    tin

    English PDF
    GB/T 17421.1-1998 Test code for machine tools--Part 1:Geometric accuracy of machines operating under no-loador finishing conditions
    机床检验通则 第1部分:在无负荷或精加工条件下机床的几何精度
    China National Standards
    tin

    English PDF
    GB/T 6545-1998 Corrugated fibreboard--Determination of bursting strength
    瓦楞纸板 耐破强度的测定法
    China National Standards
    tin

    English PDF
    GB/T 17391-1998 Test method for thermal stability of polyethylene pipes and fittings
    聚乙烯管材与管件热稳定性试验方法
    China National Standards
    tin

    English PDF
    GB/T 17387-1998 Recommended practice for the operation,maintenance and troubleshooting of electric submersible pump installations
    潜油电泵装置的操作、维护和故障检查
    China National Standards
    tin

    English PDF
    GB/T 17307-1998 Assignment of the uses of insertion lines in the field-blanking interval in television broadcasting
    电视广播场消隐期插入行用途分配
    China National Standards
    tin

    English PDF
    GB/T 7392-1998 Series 1 thermal containers--Specification and testing
    系列1集装箱的技术要求和试验方法 保温集装箱
    China National Standards
    tin

    English PDF
    GB/T 17274-1998 Series 1 specification and testing for non-pressurized containers of dry bulk
    系列1无压干散货集装箱技术要求和试验方法
    China National Standards
    tin

    English PDF
    GB/T 17235.2-1998 Information technology--Digital compression and coding of continuous-tone still images--Part 2:Compliance testing
    信息技术 连续色调静态图像的数字压缩及编码 第2部分:一致性测试
    China National Standards
    tin

    English PDF
    GB/T 17235.1-1998 Information technology--Digital compression and coding of continuous-tone still images--Part 1:Requirements and guidelines
    信息技术 连续色调静态图像的数字压缩及编码 第1部分:要求和指南
    China National Standards
    tin

    English PDF
    GB/T 17230-1998 Safe transport of radioactive material--Leakage testing on packages
    放射性物质安全运输 货包的泄漏检验
    China National Standards
    tin

    English PDF
    GB/T 3485-1998 Technical guides for evaluating the rationality of electricity usage in industrial enterprise
    评价企业合理用电技术导则
    China National Standards
    tin

    English PDF
    GB/T 17228-1998 Terminology of surveying and mapping for prospecting to geology and mineral resources
    地质矿产勘查测绘术语
    China National Standards
    tin

    English PDF
    GB/T 17225-1998 Standard of heating temperature for classroomof elementary and secondary school
    中小学校教室采暖温度标准
    China National Standards
    tin

    English PDF
    GB/T 17214.1-1998 Industrial-process measurement and control equipment--Operating conditions--Part 1:Climatic conditions
    工业过程测量和控制装置工作条件 第1部分:气候条件
    China National Standards
    tin

    English PDF
    GB/T 17194-1997 Conduits for electrical purposes--Outside diameters of conduits for electrical installations and threads of conduits and fittings
    电气导管 电气安装用导管的外径和导管与配件的螺纹
    China National Standards
    tin

    English PDF
    GB 17196-1997 Connecting devices--Flat quick-connect terminations for electrical copper conductors--Safety requirements
    连接器件 连接铜导线用的扁形快速连接端头 安全要求
    China National Standards
    tin

    English PDF
    GB/T 5095.9-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 9:Miscellaneous tests
    电子设备用机电元件 基本试验规程及测量方法 第9部分:杂项试验
    China National Standards
    tin

    English PDF
    GB/T 5095.8-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 8:Connector tests(mechanical)and mechanical tests on contacts and terminations
    电子设备用机电元件 基本试验规程及测量方法 第8部分:连接器、接触件及引出端的机械试验
    China National Standards
    tin

    English PDF
    GB/T 5095.7-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 7:Mechanical operating tests and sealing tests
    电子设备用机电元件 基本试验规程及测量方法 第7部分:机械操作试验和密封性试验
    China National Standards
    tin

    English PDF
    GB/T 5095.6-1997 Electromechanical components for electronic equipment--Basic testing proceduresand measuring methods--Part 6:Climatic tests and soldering tests
    电子设备用机电元件 基本试验规程及测量方法 第6部分:气候试验和锡焊试验
    China National Standards
    tin

    English PDF
    GB/T 5095.5-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 5:Impact tests(free components),static load tests(fixed components),endurance tests and overload tests
    电子设备用机电元件 基本试验规程及测量方法 第5部分:撞击试验(自由元件)、静负荷试验(固定元件)、寿命试验和过负荷试验
    China National Standards
    tin

    English PDF
    GB/T 5095.4-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 4:Dynamic stress tests
    电子设备用机电元件 基本试验规程及测量方法 第4部分:动态应力试验
    China National Standards
    tin

    English PDF
    GB/T 5095.3-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 3:Current-carrying capacity tests
    电子设备用机电元件 基本试验规程及测量方法 第3部分:载流容量试验
    China National Standards
    tin

    English PDF
    GB/T 5095.2-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 2:Generalexamination,electrical continuity and contact resistance tests,insulationtests and voltage stress tests
    电子设备用机电元件 基本试验规程及测量方法 第2部分:一般检查、电连续性和接触电阻测试、绝缘试验和电压应力试验
    China National Standards
    tin

    English PDF
    GB/T 5095.15-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 15:Mechanical tests on contacts and terminations--Section 8:Test 15h--Contact retention system resistance to tool application
    电子设备用机电元件 基本试验规程及测量方法 第15部分:接触件和引出端的机械试验 第八篇:试验15h接触件固定机构耐工具使用性
    China National Standards
    tin

    English PDF
    GB/T 5095.12-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 12:Soldering tests--Section 6:Test 12f--Sealing against flux and cleaning solvents inmachine soldering
    电子设备用机电元件 基本试验规程及测量方法 第12部分:锡焊试验 第六篇:试验12f在机器焊接中封焊处耐焊剂和清洁剂
    China National Standards
    tin

    English PDF
    GB/T 5095.1-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuringmethods--Part 1:General
    电子设备用机电元件 基本试验规程及测量方法 第1部分:总则
    China National Standards
    tin

    English PDF
    GB/T 5095.11-1997 Electromechanical components for electronic equipment--Basic testing procedures and measuring methods--Part 11:Climatic tests
    电子设备用机电元件 基本试验规程及测量方法 第11部分:气候试验
    China National Standards
    tin

    English PDF
    GB/T 17186-1997 Calculating method for the strength of steel pipe flanged joint
    钢制管法兰连接强度计算方法
    China National Standards
    tin

    English PDF
    GB/T 17178.1-1997 Information technology--Open systems interconnection--Conformance testing methodology and framework--Part 1:General concepts
    信息技术 开放系统互连 一致性测试方法和框架 第1部分:基本概念
    China National Standards
    tin

    English PDF
    GB/T 17170-1997 Test method for deep level EL2 concentration of undoped semiinsulating monocrystal gallium arsenide by measurement infra-red absorption method
    非掺杂半绝缘砷化镓单晶深能级EL2浓度红外吸收测试方法
    China National Standards
    tin

    English PDF
    GB/T 17155-1997 Plates for offset printing--Dimensions
    胶印印版 尺寸
    China National Standards
    tin

    English PDF
    GB/T 17154.2-1997 ISDN user-network interface layer 3 specification and testing method for basic call control procedure--Part 2:Testing method for layer 3 basic call control protocol
    ISDN用户-网络接口第三层基本呼叫控制技术规范及测试方法 第2部分:第三层基本呼叫控制协议测试方法
    China National Standards
    tin

    English PDF
    GB/T 17154.1-1997 ISDN user-network interface layer 3 specification and testing method for basic call control--Part 1:Layer 3 specification for basic call control
    ISDN用户-网络接口第三层基本呼叫控制技术规范及测试方法 第1部分:第三层基本呼叫控制技术规范
    China National Standards
    tin

    English PDF
    GB/T 17143.7-1997 Informationtechnology--Open systems interconnection--Systems management--Part 7:Security alarm reporting function
    信息技术 开放系统互连 系统管理 第7部分:安全告警报告功能
    China National Standards
    tin

    English PDF
    GB/T 17143.4-1997 Information technology--Open systems interconnection--Systems management--Part 4:Alarm reporting function
    信息技术 开放系统互连 系统管理 第4部分:告警报告功能
    China National Standards
    tin

    English PDF
    GB/T 17143.3-1997 Information technology--Open systems interconnection--Systems management--Part 3:Attributes for representing relationships
    信息技术 开放系统互连 系统管理 第3部分:表示关系的属性
    China National Standards
    tin

    English PDF
    GB/T 14006.2-1997 Outline dimemsions of transformers and inductors for use in telecommunication and electronic equipmemt--Part 2:Transformers and inductors using YEx-2 laminations for printed wiring boardmounting
    通信和电子设备用变压器和电感器外形尺寸 第2部分:采用YEx-2系列铁心片印制板安装式变压器和电感器
    China National Standards
    tin

    English PDF
    GB/T 17119-1997 Continuous mechanical handling equipment--Belt conveyors with carrying idlers--Calculation of operating power and tensile forces
    连续搬运设备 带承载托辊的带式输送机 运行功率和张力的计算
    China National Standards
    tin

    English PDF
    GB/T 17121-1997 Anti-counterfeiting stamp-ink--Part 1:Technical requirements of UV-excitation flourescent anti-counterfeiting permeating stamp-ink
    防伪印油 第1部分:紫外激发荧光防伪渗透印油技术条件
    China National Standards
    tin

    English PDF
    GB/T 4019.2-1997 Box type vertical drilling machines--Testing of the accuracy--Part 2:Working tests
    方柱立式钻床 精度检验 第2部分:工作精度检验
    China National Standards
    tin

    English PDF
    GB/T 4019.1-1997 Box type vertical drilling machines--Testing of the accuracy--Part 1:Geometrical tests
    方柱立式钻床 精度检验 第1部分:几何精度检验
    China National Standards
    tin

    English PDF
    GB/T 4018.2-1997 Pillar type vertical drilling machines--Testing of the accuracy--Part 2:Testing of the working accuracy
    圆柱立式钻床 精度检验 第2部分:工作精度检验
    China National Standards
    tin

    English PDF
    GB/T 4018.1-1997 Pillar type vertical drilling machines--Testing of the accuracy--Part 1:Testing of the geometric accuracy
    圆柱立式钻床 精度检验 第1部分:几何精度检验
    China National Standards
    tin

    English PDF
    GB/T 4017-1997 Radial drilling machines--Testing of the accuracy
    摇臂钻床 精度检验
    China National Standards
    tin

    English PDF
    GB/T 17062-1997 Workplace air--Determination of tin and its inorganic compounds--Flame atomic absorption spectroscopy
    车间空气中锡及其无机化合物的火焰原子吸收光谱测定方法
    China National Standards
    tin

    English PDF
    GB 17100-1997 Casting Co-Cr-Mo alloy for surgical implants
    外科植入物用铸造钴铬钼合金
    China National Standards
    tin

    English PDF

    Find out:7828Items   |  To Page of: First -Previous-Next -Last  | [68] [69] [70] [71] [72] [73] [74]

     

    +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