China National Standards

China by 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 "by" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 18779.2-2004 Geometrical Product Specifications(GPS)--Inspection by measurement of workpieses and measuring equipment--Part 2:Guide to the estimation of uncertainty in GPS measurement,in calibration of measuring equipment and in product verification
    产品几何量技术规范(GPS) 工件与测量设备的测量检验 第2部分:测量设备校准和产品检验中GPS测量的不确定度评定指南
    China National Standards
    by

    English PDF
    GB/T 19587-2004 Determination of the specific surface area of solids by gas adsorption using the BET method
    气体吸附BET法测定固态物质比表面积
    China National Standards
    by

    English PDF
    GB/T 10894-2004 Determination method of noise emitted by separating machine
    分离机械 噪声测试方法
    China National Standards
    by

    English PDF
    GB/Z 19511-2004 Industrial,scientific and medical equipment(ISM)--Guidelines for emission levels within the bands designated by the ITU
    工业、科学和医疗设备(ISM) 国际电信联盟(ITU)指定频段内的辐射电平指南
    China National Standards
    by

    English PDF
    GB/T 10322.7-2004 Iron ore--Determination of size distribution by sieving
    铁矿石 粒度分布的筛分测定
    China National Standards
    by

    English PDF
    GB/T 19475.2-2004 Micrographics--Methods of measuring image quality produced by aperture card scanners--Part 2:Quality criteria and control
    缩微摄影技术 开窗卡扫描仪制作影像质量的测量方法 第2部分:质量要求和控制
    China National Standards
    by

    English PDF
    GB/T 19475.1-2004 Micrographics--Methods of measuring image quality produced by aperture card scanners--Part 1:Characteristics of the test images
    缩微摄影技术 开窗卡扫描仪制作影像质量的测量方法 第1部分:测试影像的特征
    China National Standards
    by

    English PDF
    GB/T 19444-2004 Oxygen precipitation characterization of silicon wafers by measurement of interstitial oxygen reduction
    硅片氧沉淀特性的测定 间隙氧含量减少法
    China National Standards
    by

    English PDF
    GB/T 18310.45-2003 Fibre optic interconnecting devices and passive components--Basic test and measurement procedures--Part 2-45:Tests--Durability test by water immersion
    纤维光学互连器件和无源器件 基本试验和测量程序 第2-45部分:试验 浸水耐久性
    China National Standards
    by

    English PDF
    GB/T 12690.5-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method--Determination of Co、M
    稀土金属及其氧化物中非稀土杂质化学分析方法 铝、铬、锰、铁、钴、镍、铜、锌、铅的测定 电感耦合等离子体发射光谱法(方法1) 钴、锰、铅、镍、铜、锌、铝、铬的测定 电感耦合等离子
    China National Standards
    by

    English PDF
    GB/T 12690.10-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method
    稀土金属及其氧化物中非稀土杂质化学分析方法 磷量的测定 钼蓝分光光度法
    China National Standards
    by

    English PDF
    GB/T 19385.1-2003 Textile machinery and accessories--Heald frames--Part 1:Heald-carrying rod fixed to the frame stave by rod support--Coordinated dimensions
    纺织机械与附件 综框 第1部分:穿综杆用托座固定于综框横梁 相关尺寸
    China National Standards
    by

    English PDF
    GB/T 6524-2003 Metallic powders--Determination of particle size distribution by gravitational sedimentation in a liquid and attenuation measurement
    金属粉末 粒度分布的测量 重力沉降光透法
    China National Standards
    by

    English PDF
    GB/T 4104-2003 Leucoscopic method for testing whiteness of zinc oxide made by direct process
    直接法氧化锌白度(颜色)检验方法
    China National Standards
    by

    English PDF
    GB/T 4980-2003 Determination of sound level for noise emitted by displacement compressors
    容积式压缩机噪声的测定
    China National Standards
    by

    English PDF
    GB/T 19348.2-2003 Non-destructive testing--Industrial radiographic films--Part 2:Control of film processing by means of reference values
    无损检测 工业射线照相胶片 第2部分:用参考值方法控制胶片处理
    China National Standards
    by

    English PDF
    GB/T 19276.2-2003 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium--Method by analysis of evolved carbon dioxide
    水性培养液中材料最终需氧生物分解能力的测定 采用测定释放的二氧化碳的方法
    China National Standards
    by

    English PDF
    GB/T 19276.1-2003 Determination of the ultimate aerobic biodegradability of plastic materials in an aqueous medium--Method by measuring the oxygen demand in a closed respirometer
    水性培养液中材料最终需氧生物分解能力的测定 采用测定密闭呼吸计中需氧量的方法
    China National Standards
    by

    English PDF
    GB/T 19275-2003 Evaluation of the potential biodegradability and disintegration of plastic materials by the action of the specific microorganisms
    材料在特定微生物作用下潜在生物分解和崩解能力的评价
    China National Standards
    by

    English PDF
    GB/T 12004.4-2003 Polyvinyl chloride paste--Determination of apparent viscosity by the Brookfield test method
    聚氯乙烯增塑糊表观粘度的测定 Brookfield试验法
    China National Standards
    by

    English PDF
    GB/T 5009.53-2003 Method for analysis of hygienic standard of products made by starch
    淀粉类制品卫生标准的分析方法
    China National Standards
    by

    English PDF
    GB/T 5009.167-2003 Determination of F-,Cl-,Br-,NO-3,SO2-4 ions in drinking water from natural mineral spring by reversed HPLC
    饮用天然矿泉水中氟、氯、溴离子和硝酸根、硫酸根含量的反相高效液相色谱法测定
    China National Standards
    by

    English PDF
    GB/T 19199-2003 Test method for carbon concentration of semi-insulating monocrystal gallium arsenide by measurement infrared absorption method
    半绝缘砷化镓单晶中碳浓度的红外吸收测试方法
    China National Standards
    by

    English PDF
    GB/T 19178-2003 Testing rules for parent eggs of silkworm (Bombyx mori)
    桑蚕原种检验规程
    China National Standards
    by

    English PDF
    GB 19179-2003 Parent eggs of silkworm(Bombyx mori)
    桑蚕原种
    China National Standards
    by

    English PDF
    GB/T 12586-2003 Rubber or plastics-coated fabrics--Determination of resistance to damage by flexing
    橡胶或塑料涂覆织物 耐屈挠破坏性的测定
    China National Standards
    by

    English PDF
    GB/T 8243.2-2003 Methods of test for full-flow lubricating oil filters for internal combustion engines--Part 2: Element by-pass valve characteristics
    内燃机全流式机油滤清器试验方法 第2部分: 滤芯旁通阀特性
    China National Standards
    by

    English PDF
    GB 19062-2003 Regulation of controlsoil pollution for destruction chemical weapons abandoned in China by Japan
    销毁日本遗弃在华化学武器土壤污染控制标准(试行)
    China National Standards
    by

    English PDF
    GB 19061-2003 Regulation of controlwater pollutant for the destruction of abandoned chemical weapons by Japan inChina
    销毁日本遗弃在华化学武器水污染物控制标准(试行)
    China National Standards
    by

    English PDF
    GB 19060-2003 Emission regulationof air pollutants for destruction of chemical weapons abandoned in China by Japan
    销毁日本遗弃在华化学武器大气污染物排放标准(试行)
    China National Standards
    by

    English PDF
    GB 19059-2003 Regulation for concentration of pollutants in the workplace air for destruction of chemicalweapons abandoned in China by Japan
    销毁日本遗弃在华化学武器工作区空气中污染物浓度标准(试行)
    China National Standards
    by

    English PDF
    GB 19058-2003 Environmental protection technological regulation on the entire process for the destruction of abandoned chemical weapons by Japan in China
    销毁日本遗弃在华化学武器全过程环境保护技术规定(试行)
    China National Standards
    by

    English PDF
    GB 19057-2003 Regulation for solid waste treatment and disposal for the destruction of abandoned chemical weapons by Japan in China
    销毁日本遗弃在华化学武器固体废物处理处置标准(试行)
    China National Standards
    by

    English PDF
    GB/T 19052-2003 Acoustics--Noise emitted by machinery and equipment--Rules for the drafting and presentation of a noise test code
    声学 机器和设备发射的噪声 噪声测试规范起草和表述的准则
    China National Standards
    by

    English PDF
    GB/T 17680.10-2003 Criteria for emergency planning and preparedness for nuclear power plants--Criteria for emergency radiological field monitoring,sampling and analysis conducted by nuclear power plant operating organizations
    核电厂应急计划与准备准则 核电厂营运单位应急野外辐射监测、取样与分析准则
    China National Standards
    by

    English PDF
    GB/T 18997.2-2003 Polyethylene/Aluminum/Polyethylene composite pressure pipe--Part 2:PE/AL/PE pipe butt-welded by aluminum pipe
    铝塑复合压力管 第2部分:铝管对接焊式铝塑管
    China National Standards
    by

    English PDF
    GB/T 18997.1-2003 Polyethylene/Aluminum/Polyethylene composite pressure pipe--Part 1:PE/AL/PE pipe overlap-welded by aluminum pipe
    铝塑复合压力管 第1部分:铝管搭接焊式铝塑管
    China National Standards
    by

    English PDF
    GB/T 18980-2003 Determination of aflatoxin M1 content in milk and milk powder--Cleanup byimmunoaffinity chromatogaphy and determination by high-performance liquid chromatigraphy and fluorometer
    乳和乳粉中黄曲霉毒素M1的测定 免疫亲和层析净化高效液相色谱法和荧光光度法
    China National Standards
    by

    English PDF
    GB/T 18979-2003 Determination aflatoxins content in food--Cleanup by immunoaffinity chromatogaphy and determination by high-performance liquid chromatigraphy and fluor-ometer
    食品中黄曲霉毒素的测定 免疫亲和层析净化高效液相色谱法和荧光光度法
    China National Standards
    by

    English PDF
    GB/T 4548.2-2003 Glassware--Hydrolytic resistance of the interior surfaces of glass containers--Determination by flame spectrometry and classification
    玻璃制品 玻璃容器内表面耐水侵蚀性能 用火焰光谱法测定和分级
    China National Standards
    by

    English PDF
    GB/T 4500-2003 Rubber--Determination of zinc content by atomic absorption spectrometry
    橡胶中锌含量的测定 原子吸收光谱法
    China National Standards
    by

    English PDF
    GB/T 18941-2003 Flexible cellular polymeric materials--Determination of fatigue by constant-load pounding
    高聚物多孔弹性材料 定负荷冲击疲劳的测定
    China National Standards
    by

    English PDF
    GB/T 12825-2003 Polymeric materials,cellular flexible--Determination of hardness by indentation technique
    高聚物多孔弹性材料 凹入度法硬度测定
    China National Standards
    by

    English PDF
    GB/T 18876.1-2002 Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis--Part 1:Determining the inclusion or second-phase constituent content of steels and other metals by automatic
    应用自动图像分析测定钢和其他金属中金相组织、夹杂物含量和级别的标准试验方法 第1部分:钢和其他金属中夹杂物或第二相组织含量的图像分析与体视学测定
    China National Standards
    by

    English PDF
    GB/T 14634.4-2002 Test methods of rare earth three-band phosphors for fluorescent lamps--Determination of particle size distribution by electric sensing zone technique
    灯用稀土三基色荧光粉试验方法 电传感法粒度分布测定
    China National Standards
    by

    English PDF
    GB/T 15617-2002 Quantitative analysis of silicate minerals by electron probe microanalysis
    硅酸盐矿物的电子探针定量分析方法
    China National Standards
    by

    English PDF
    GB/T 15246-2002 Quantitative analysis of sulfide minerals by electron probe microanalysis
    硫化物矿物的电子探针定量分析方法
    China National Standards
    by

    English PDF
    GB/T 15245-2002 Quantitative analysis of rare earth element(REE)oxides by electron probe microanalysis(EPMA)
    稀土氧化物的电子探针定量分析方法
    China National Standards
    by

    English PDF
    GB/T 18866-2002 Rubber--Dissolution by acid digestion
    橡胶 酸消化溶解法
    China National Standards
    by

    English PDF
    GB/T 18865-2002 Rubber and rubber products--Confidence intervals for repeatability and reproducibility values determined by inter-laboratory tests
    橡胶与橡胶制品 实验室间试验确定的重复性值和再现性值置信区间
    China National Standards
    by

    English PDF
    GB/T 11201-2002 Rubber--Determination of iron content by atomic absorption spectrometry
    橡胶中铁含量的测定 原子吸收光谱法
    China National Standards
    by

    English PDF
    GB/T 10336-2002 Pulps--Determination of fiber length by automated optical analysis(Polarized light method)
    造纸纤维长度的测定(偏振光法)
    China National Standards
    by

    English PDF
    GB/T 14039-2002 Hydraulic fluid power--Fluids--Method for coding the level of contamination by solid particles
    液压传动 油液 固体颗粒污染等级代号
    China National Standards
    by

    English PDF
    GB/T 2947-2002 Determination of free water in urea and ammonium nitrate by karl fischer method
    尿素、硝酸铵中游离水含量的测定 卡尔·费休法
    China National Standards
    by

    English PDF
    GB/T 5160-2002 Metallic powders--Determination of green strength by transverse rupture of rectangular compacts
    金属粉末生坯强度的测定 矩形压坯横向断裂法
    China National Standards
    by

    English PDF
    GB/T 18807-2002 Information technology--Data interchange on 130 mm optical disk cartridges--Capacity:1.3 gigabytes per cartridge
    信息技术 130 mm盒式光盘上的数据交换容量:每盒1.3 G字节
    China National Standards
    by

    English PDF
    GB/T 2820.10-2002 Reciprocating internal combustion engine driven alternating current generating sets--Part 10:Measurement of airborne noise by the enveloping surface method
    往复式内燃机驱动的交流发电机组 第10部分:噪声的测量(包面法)
    China National Standards
    by

    English PDF
    GB/T 8052-2002 Single and multi-level continuous sampling procedures and tables for inspection by attributes
    单水平和多水平计数连续抽样检验程序及表
    China National Standards
    by

    English PDF
    GB/T 18779.1-2002 Geometrical product specifications (GPS)--Inspection by measurement of workpieces and measuring equipment--Part 1:Decision rules for proving conformance or non-conformance with specifications
    产品几何量技术规范(GPS) 工件与测量设备的测量检验 第1部分:按规范检验合格或不合格的判定规则
    China National Standards
    by

    English PDF
    GB/T 8651-2002 Metal plates--Flaw detection method by the ultras-onic plate wave
    金属板材超声板波探伤方法
    China National Standards
    by

    English PDF
    GB/T 2829-2002 Sampling proceduresand tables for periodic inspection by attributes (Apply to inspection of process stability)
    周期检验计数抽样程序及表(适用于对过程稳定性的检验)
    China National Standards
    by

    English PDF
    GB/T 18743-2002 Thermoplastics pipes for the transport of fluids--Determination of impact by the charpy method
    流体输送用热塑性塑料管材简支梁冲击试验方法
    China National Standards
    by

    English PDF
    GB/T 4852-2002 Test method for tack of pressure sensitive adhesive tapes by rolling ball
    压敏胶粘带初粘性试验方法(滚球法)
    China National Standards
    by

    English PDF
    GB/T 18723-2002 Graphic technology--Determination of tack of paste inks and vehicles by a rotary tackmeter
    印刷技术 用黏性仪测定浆状油墨和连接料的黏性
    China National Standards
    by

    English PDF
    GB/T 6075.6-2002 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 6:Reciprocating machines with power ratings above 100kW
    在非旋转部件上测量和评价机器的机械振动 第6部分:功率大于100kW的往复式机器
    China National Standards
    by

    English PDF
    GB/T 6075.5-2002 Mechanical vibration--Evaluation of machine vibration by measurements on non-rotating parts--Part 5:Machine sets in hydraulic power generating and pumping plants
    在非旋转部件上测量和评价机器的机械振动 第5部分:水力发电厂和泵站机组
    China National Standards
    by

    English PDF
    GB/T 18686-2002 Technical drawings preparation of lines by CAD systems
    技术制图 CAD系统用图线的表示
    China National Standards
    by

    English PDF
    GB/T 4945-2002 Standard test method for acid and base number of petroleum products and lubricants by colour-indicator titration
    石油产品和润滑剂酸值和碱值测定法(颜色指示剂法)
    China National Standards
    by

    English PDF
    GB/T 18619.1-2002 Natural gas--Determination ofwater by the Karl fischer method--Coulometric procedure
    天然气中水含量的测定 卡尔费休法-库仑法
    China National Standards
    by

    English PDF
    GB 1495-2002 Limits and measurement methods for noise emitted by accelerating motor vehicles
    汽车加速行驶车外噪声限值及测量方法
    China National Standards
    by

    English PDF
    GB/T 18606-2001 The standard test method for biomarker in sediment and crude oil by GC-MS
    气相色谱-质谱法测定沉积物和原油中生物标志物
    China National Standards
    by

    English PDF
    GB/T 18569.2-2001 Safety of machinery--Reduction of risks to health from hazardous substances emitted by machinery--Part 2:Methodology leading to verification procedures
    机械安全 减小由机械排放的危害性物质对健康的风险 第2部分:产生验证程序的方法学
    China National Standards
    by

    English PDF
    GB/T 18569.1-2001 Safety of machinery--Reduction of risks to health from hazardous substances emitted by machinery--Part 1:Principles and specifications for machinery manufacturers
    机械安全 减小由机械排放的危害性物质对健康的风险 第1部分:用于机械制造商的原则和规范
    China National Standards
    by

    English PDF
    GB/T 6672-2001 Plastics film and sheeting--Determination of thickness by mechanical scanning
    塑料薄膜和薄片厚度测定 机械测量法
    China National Standards
    by

    English PDF
    GB/T 18474-2001 Pipes and fittings made of crosslinked polyethylene(PE-X)--Estimation of the degree of crosslinkingby determination of the gel content
    交联聚乙烯(PE-X)管材与管件 交联度的试验方法
    China National Standards
    by

    English PDF
    GB/T 9874-2001 Rubber--Determination of lead content by atomic absorption spectrometry
    橡胶中铅含量的测定 原子吸收光谱法
    China National Standards
    by

    English PDF
    GB/T 7043.1-2001 Rubber--Determination of copper content by atomic absorption spectrometry
    橡胶中铜含量的测定 原子吸收光谱法
    China National Standards
    by

    English PDF
    GB 50027-2001 Standard for bydrogeological investigation of water-supply
    供水水文地质勘察规范
    China National Standards
    by

    English PDF
    GB 18321-2001 Limits for noise emitted by agricultural vehicles
    农用运输车 噪声限值
    China National Standards
    by

    English PDF
    GB/T 2930.3-2001 Rules for forage seed testing--Determination of other seeds by number
    牧草种子检验规程 其他植物种子数测定
    China National Standards
    by

    English PDF
    GB/T 18313-2001 Acoustics--Measurement of airborne noise emitted by information technology and telecommunications equipment
    声学 信息技术设备和通信设备空气噪声的测量
    China National Standards
    by

    English PDF
    GB/T 8631-2001 Textiles--Determination of dimensional changes of fabrics induced by cold-water immersion
    纺织品 织物因冷水浸渍而引起的尺寸变化的测定
    China National Standards
    by

    English PDF
    GB/T 6075.4-2001 Mechanical vibration--Evaluation of machine vibration by measurementson non-rotating parts--Part 4:Gas turbine driven sets excluding aircraft derivatives
    在非旋转部件上测量和评价机器的机械振动 第4部分:不包括航空器类的燃气轮机驱动装置
    China National Standards
    by

    English PDF
    GB/T 18319-2001 Textiles--Testing method for thermal retention with accumulated by infrared ray
    纺织品 红外蓄热保暖性的试验方法
    China National Standards
    by

    English PDF
    GB/T 18295-2001 Analysis method of sandstone sample of petroleum and gas reservoir by scanning electron microscope
    油气储层砂岩样品 扫描电子显微镜分析方法
    China National Standards
    by

    English PDF
    GB/T 18273-2000 Petroleum and liquid petroleum products--Direct static measurements--Contents ofvertical storage tanks--Mass measurement by hydrostatic tank gauging
    石油和液体石油产品 立式罐内油量的直接静态测量法 (HTG质量测量法)
    China National Standards
    by

    English PDF
    GB/T 18225-2000 Terminology for passenger transport by water
    水路客运术语
    China National Standards
    by

    English PDF
    GB/T 4635-2000 Image area produced by camera aperture on 35mm motion-picture film--Position and dimensions
    35mm电影摄影机片窗在胶片上形成的画面的位置和尺寸
    China National Standards
    by

    English PDF
    GB/T 18140-2000 Information technology--Data interchange on 130 mm optical disk cartridges--Capacity:1 gigabyte per cartridge
    信息技术 130 mm盒式光盘上的数据交换 容量:每盒1 G字节
    China National Standards
    by

    English PDF
    GB 18098-2000 Determination of the toxic gases formed by detonation of industrial explosives
    工业炸药爆炸后有毒气体含量的测定
    China National Standards
    by

    English PDF
    GB 18083-2000 Health protection zone standards for industrial enterprises by noise
    以噪声污染为主的工业企业卫生防护距离标准
    China National Standards
    by

    English PDF
    GB/T 17248.1-2000 Acoustics--Noise emitted by machinery and equipment--Guidelines forthe use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions
    声学 机器和设备发射的噪声 测定工作位置和其他指定位置发射声压级的基础标准使用导则
    China National Standards
    by

    English PDF
    GB/T 17247.1-2000 Acoustics--Attenuation of sound during propagation outdoors--Part 1:Calculation of the absorption of sound by the atmosphere
    声学 户外声传播衰减 第1部分:大气声吸收的计算
    China National Standards
    by

    English PDF
    GB/T 17950-2000 Semiconductor converter--Part 6:Application guide for the protection of semiconductor converters against overcurrent by fuses
    半导体变流器 第6部分:使用熔断器保护半导体变流器防止过电流的应用导则
    China National Standards
    by

    English PDF
    GB/T 17179.4-2000 Information technology--Protocol for providing the connectionless-mode network service--Part 4:Provision of the underlying service by a subnetwork that provides the OSI data link service
    信息技术 提供无连接方式网络服务的协议 第4部分:由提供OSI数据链路服务的子网提供低层服务
    China National Standards
    by

    English PDF
    GB/T 17179.3-2000 Information technology--Protocol for providing the connectionless-mode networkservice--Part 3:Provision of the underlying service by an X.25 subnetwork
    信息技术 提供无连接方式网络服务的协议 第3部分:由X.25子网提供低层服务
    China National Standards
    by

    English PDF
    GB/T 17179.2-2000 Information technology--Protocol for providing the connectionless-mode network service--Part 2:Provision of the underlying service by a GB/T 15629(ISO/IEC 8802) subnetwork
    信息技术 提供无连接方式网络服务的协议 第2部分:由GB/T 15629(ISO/IEC 8802)子网提供低层服务
    China National Standards
    by

    English PDF
    GB/T 11595-1999 Interface between data terminal equipment(DTE) and data circuit-terminating equipment (DCE)for terminals operating in the packet mode and connected to public data networks by dedicated circuit
    用专用电路连接到公用数据网上的分组式数据终端设备(DTE)与数据电路终接设备(DCE)之间的接口
    China National Standards
    by

    English PDF
    GB/T 17830-1999 Determination of polyethylene glycol in polyethoxy-lated nonionic surfactants by HPLC
    聚乙氧基化非离子表面活性剂中聚乙二醇含量的测定 高效液相色谱法
    China National Standards
    by

    English PDF
    GB/T 17782-1999 Rubber,vulcanized--Test method of aging by heat and air pressure
    硫化橡胶压力空气热老化试验方法
    China National Standards
    by

    English PDF

    Find out:1336Items   |  To Page of: First -Previous-Next -Last  | [6] [7] [8] [9] [10] [11] [12]

     

    +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