China National Standards

China Ding 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 "Ding" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 22364-2008 Paper and board - Determination of resistance to benDing
    纸和纸板弯曲挺度的测定
    China National Standards
    Ding

    English PDF
    GB/T 18781-2008 Cultured pearl graDing
    珍珠分级
    China National Standards
    Ding

    English PDF
    GB/T 14531-2008 Office furniture - Tables、chairs and stools for reaDing
    办公家具 阅览桌、椅、凳
    China National Standards
    Ding

    English PDF
    GB/T 12347-2008 Steel wire ropes - BenDing fatigue testing
    钢丝绳弯曲疲劳试验方法
    China National Standards
    Ding

    English PDF
    GB/T 17179.1-2008 Information technology - Protocol for proviDing - The connectionless-mode network service - Part 1:Protocol specification
    信息技术 提供无连接方式网络服务的协议 第1部分:协议规范
    China National Standards
    Ding

    English PDF
    GB/T 12405-2008 CoDing for kind of increase or decrease number of workers in an organization
    单位增员减员代码
    China National Standards
    Ding

    English PDF
    GB 50444-2008 Code for acceptance and inspection of extinguisher distribution in builDings
    建筑灭火器配置验收及检查规范
    China National Standards
    Ding

    English PDF
    GB 22285-2008 Duroc breeDing pig
    杜洛克猪种猪
    China National Standards
    Ding

    English PDF
    GB 22284-2008 Large yorkshire breeDing pigs
    大约克夏猪种猪
    China National Standards
    Ding

    English PDF
    GB 22283-2008 Landrace breeDing pig
    长白猪种猪
    China National Standards
    Ding

    English PDF
    GB/T 9095-2008 Sintered ferrous materials,carburized or carbonitrided - Determination and verification of case-harDing depth
    烧结铁基材料渗碳或碳氮共渗层深度的测定及其验证
    China National Standards
    Ding

    English PDF
    GB/T 5900.1-2008 Machine tools - Connecting dimensions of spindle noses and workholDing chucks - Part 1: Conical connection
    机床 主轴端部与卡盘连接尺寸 第1部分:圆锥连接
    China National Standards
    Ding

    English PDF
    GB/T 10430-2008 Inspection method for bonDing ability of sintered friction elements
    烧结金属摩擦片粘结性能检验方法
    China National Standards
    Ding

    English PDF
    GB/T 8427-2008 Textiles - Tests for color fastness - Color fastness to artificial light: Xenon arc faDing lamp test
    纺织品 色牢度试验 耐人造光色牢度:氙弧
    China National Standards
    Ding

    English PDF
    GB/T 16656.21-2008 Industrial automation systems and integration - Product data representation and exchange - Part 21: Implementation methods: Clear text encoDing of the exchange structrue
    工业自动化系统与集成-产品数据的表达与交换 第21部分: 实现方法: 交换文件结构的纯正文编码
    China National Standards
    Ding

    English PDF
    GB/T 4337-2008 Metallic materials - Fatigue testing - Rotating bar benDing method
    金属材料 疲劳试验 旋转弯曲方法
    China National Standards
    Ding

    English PDF
    GB/T 13304.2-2008 Steels classification - Part 2: Classification of accorDing to main quality classes and main property or application characteristics
    钢分类 第2部分:按主要质量等级和主要性能或使用特性的分类
    China National Standards
    Ding

    English PDF
    GB/T 13304.1-2008 Steels classification - Part 1: Classification of accorDing to chemical composition
    钢分类 第1部分:按化学成分分类
    China National Standards
    Ding

    English PDF
    GB/T 9352-2008 Plastic - Compression moulDing of test specimens of thermoplastic materials
    塑料 热塑性塑料材料试样的压塑
    China National Standards
    Ding

    English PDF
    GB/T 8324-2008 Plastics - Determination of bulk factor of moulDing materials
    塑料 模塑材料体积系数的测定
    China National Standards
    Ding

    English PDF
    GB/T 5471-2008 Plastics - Compression moulDing of test specimens of thermosetting materials
    塑料 热固性塑料试样的压塑
    China National Standards
    Ding

    English PDF
    GB/T 4616-2008 Plastics - Phenolic moulDing materials - Determination of acetone-soluble matter(apparent resin content of material in the unmoulded state)
    塑料 酚醛模塑料 丙酮可溶物(未模塑态材料的表观树脂含量)测定
    China National Standards
    Ding

    English PDF
    GB/T 3403.1-2008 Plastics - Urea-formaldehyde and urea/melamine-formaldehyde powder moulDing compounds(UF-and UF/MF-PMCs)- Part 1: Designation system and basis for specifications
    塑料 粉状脲-甲醛和脲/三聚氰胺-甲醛模塑料(UF-和UF/MF-PMCs) 第1部分: 命名系统和分类基础
    China National Standards
    Ding

    English PDF
    GB/T 22271.2-2008 Plastics - Polyoxymethylene (POM) moulDing and extrusion materials - Part 2: Preparation of test specimens and determination of properties
    塑料 聚甲醛(POM)模塑和挤塑材料 第2部分:试样制备和性能测定
    China National Standards
    Ding

    English PDF
    GB/T 22271.1-2008 Plastics - Polyoxymethylene(POM) moulDing and extrusion materials - Part 1: Designation system and basis for specifications
    塑料 聚甲醛(POM)模塑和挤塑材料 第1部分:命名系统和分类基础
    China National Standards
    Ding

    English PDF
    GB/T 1404.2-2008 Plastics - Phenolic powder moulDing compounds - Part 2: Preparation of test specimens and determination of properties
    塑料 粉状酚醛模塑料 第2部分: 试样制备和性能测定
    China National Standards
    Ding

    English PDF
    GB/T 1404.1-2008 Plastics - Phenolic powder moulDing compounds - Part 1: Designation system and basis for specifications
    塑料 粉状酚醛模塑料 第1部分: 命名方法和基础规范
    China National Standards
    Ding

    English PDF
    GB/T 22217-2008 ShipbuilDing - Numerical control of machines - ESSI format
    造船 机器数字控制 ESSI格式
    China National Standards
    Ding

    English PDF
    GB/T 11618.1-2008 Pipe fittings of copper and copper alloys - Part 1: Fittings of braze welDing type
    铜管接头 第1部分:钎焊式管件
    China National Standards
    Ding

    English PDF
    GB/T 21461.1-2008 Plastics - Ultra-high-molecular-weight polyethylene(PE-UHMW) moulDing and extrusion materials - Part 1: Designation system and basis for specifications
    塑料 超高分子量聚乙烯(PE-UHMW)模塑和挤出材料 第1部分:命名系统和分类基础
    China National Standards
    Ding

    English PDF
    GB/T 21460.1-2008 Plastics - Styrene-acrylonitrile (SAN) moulDing and extrusion materials - Part 1: Designation system and basis for specifications
    塑料 苯乙烯-丙烯腈(SAN)模塑和挤出材料 第1部分:命名系统和分类基础
    China National Standards
    Ding

    English PDF
    GB/T 20417.1-2008 Plastics - Acrylonitrile-butadiene-Styrene(ABS) moulDing and extrusion materials - Part 1: Designation system and basis for specifications
    塑料 丙烯腈-丁二烯-苯乙烯(ABS)模塑和挤出材料 第1部分:命名系统和分类基础
    China National Standards
    Ding

    English PDF
    GB/T 18964.1-2008 Plastics - Impact-resistant Polystyrene (PS-I) moulDing and extrusion materials -Part 1: Designation system and basis for specifications
    塑料 抗冲击聚苯乙烯(PS-I)模塑和挤出材料 第1部分:命名系统和分类基础
    China National Standards
    Ding

    English PDF
    GB/T 18654.5-2008 Inspection of germplasm for cultured fishes - Part 5: Analysis of feeDing habits
    养殖鱼类种质检验 第5部分:食性分析
    China National Standards
    Ding

    English PDF
    GB/T 7106-2008 Graduations and test methods of air permeability, watertightness, wind load resistance performance for builDing external windows and doors
    建筑外门窗气密、水密、抗风压性能分级及检测方法
    China National Standards
    Ding

    English PDF
    GB/T 5824-2008 Size system of opening for windows and doors in builDing
    建筑门窗洞口尺寸系列
    China National Standards
    Ding

    English PDF
    GB/T 5823-2008 Terminology for builDing windows and doors
    建筑门窗术语
    China National Standards
    Ding

    English PDF
    GB/T 9910-2008 ShipbuilDing - Clear openings through frames for external single - Leaf doors
    船用外部单扇门门框通孔
    China National Standards
    Ding

    English PDF
    GB/T 7790-2008 Paints and varnishes - Determination of resistance to cathodic disbonDing of coatings exposed to sea water
    色漆和清漆 暴露在海水中的涂层耐阴极剥离性能的测定
    China National Standards
    Ding

    English PDF
    GB/T 14364-2008 SliDing intermediate shaft bearing of marine shafting
    船舶轴系滑动式中间轴承
    China National Standards
    Ding

    English PDF
    GB/T 13148-2008 Specification for welDing of stainless steel clad plate
    不锈钢复合钢板焊接技术要求
    China National Standards
    Ding

    English PDF
    GB 50223-2008 Standard for classification of seismic protection of builDings constructions
    建筑工程抗震设防分类标准
    China National Standards
    Ding

    English PDF
    GB/T 14283-2008 General specifications of spot-welDing robots
    点焊机器人 通用技术条件
    China National Standards
    Ding

    English PDF
    GB/T 8170-2008 Rules of rounDing off for numerical values & expression and judgement of limiting values
    数值修约规则与极限数值的表示和判定
    China National Standards
    Ding

    English PDF
    GB/T 12500-2008 Information technology - Open systems interconnection - Protocol for proviDing the connection-mode transport service
    信息技术 开放系统互连 提供连接方式运输服务的协议
    China National Standards
    Ding

    English PDF
    GB/T 12729.4-2008 Spices and condiments - Determination of degree of fineness of grinDing - Hand sieving method
    香辛料和调味品 磨碎细度的测定(手筛法)
    China National Standards
    Ding

    English PDF
    GB/T 4863-2008 General terminology of machine-builDing technology
    机械制造工艺基本术语
    China National Standards
    Ding

    English PDF
    GB/T 17680.1-2008 Criteria for emergency planning and preparedness for nuclear power plants - Part 1: The diviDing of emergency planning zone
    核电厂应急计划与准备准则 第1部分:应急计划区的划分
    China National Standards
    Ding

    English PDF
    GB/T 22155-2008 Qualifications and evaluation indicators for international freight forwarDing enterprises
    国际货运代理企业资质和等级评价指标
    China National Standards
    Ding

    English PDF
    GB/T 22153-2008 International freight forwarders traDing conditions
    国际货运代理通用交易条件
    China National Standards
    Ding

    English PDF
    GB/T 22152-2008 The guideline on international freight forwarDing business statistic
    国际货运代理业务统计导则
    China National Standards
    Ding

    English PDF
    GB/T 22151-2008 The guideline on international freight forwarDing operation
    国际货运代理作业规范
    China National Standards
    Ding

    English PDF
    GB/T 9326.5-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and incluDing 500kV - Part 5: Pressure tanks
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第5部分: 压力供油箱
    China National Standards
    Ding

    English PDF
    GB/T 9326.4-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and incluDing 500kV - Part 4: Joint
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第4部分: 接头
    China National Standards
    Ding

    English PDF
    GB/T 9326.3-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and incluDing 500kV - Part 3: Sealing end
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第3部分: 终端
    China National Standards
    Ding

    English PDF
    GB/T 9326.2-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and incluDing 500kV - Part 2:Oil-filled paper insulated, lead-sheathed cables for alternating voltages up to and including
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第2部分: 交流500kV及以下纸绝缘铅套充油电缆
    China National Standards
    Ding

    English PDF
    GB/T 9326.1-2008 Oil-filled, paper or polypropylene paper laminate insulated, metal-sheathed cables and accessories for alternating voltages up to and incluDing 500kV - Part 1: Test
    交流500kV及以下纸或聚丙烯复合纸绝缘金属套充油电缆及附件 第1部分: 试验
    China National Standards
    Ding

    English PDF
    GB/T 7672.6-2008 Glass-fiber wound winDing wires - Part 6: Glass-fiber and film wound rectangular copper wire
    玻璃丝包绕组线 第6部分:玻璃丝包薄膜绕包铜扁线
    China National Standards
    Ding

    English PDF
    GB/T 7672.5-2008 Glass-fiber wound winDing wires - Part 5: Glass-fiber wound resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 200
    玻璃丝包绕组线 第5部分:200级浸漆玻璃丝包铜扁线和玻璃丝包漆包铜扁线
    China National Standards
    Ding

    English PDF
    GB/T 7672.4-2008 Glass-fiber wound winDing wires - Part 4: Glass-fiber wound resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 180
    玻璃丝包绕组线 第4部分:180级浸漆玻璃丝包铜扁线和玻璃丝包漆包铜扁线
    China National Standards
    Ding

    English PDF
    GB/T 7672.3-2008 Glass-fiber wound winDing wires - Part 3: Glass-fiber wound resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 155
    玻璃丝包绕组线 第3部分:155级浸漆玻璃丝包铜扁线和玻璃丝包漆包铜扁线
    China National Standards
    Ding

    English PDF
    GB/T 7672.24-2008 Glass-fiber wound winDing wires - Part 24: Glass-fiber wound resin or varnish impregnated, bare or enamelled round copper wire, temperature index 200
    玻璃丝包绕组线 第24部分:200级浸漆玻璃丝包铜圆线和玻璃丝包漆包铜圆线
    China National Standards
    Ding

    English PDF
    GB/T 7672.23-2008 Glass-fiber wound winDing wires - Part 23: Glass-fiber wound resin or varnish impregnated, bare or enamelled round copper wire, temperature index 180
    玻璃丝包绕组线 第23部分:180级浸漆玻璃丝包铜圆线和玻璃丝包漆包铜圆线
    China National Standards
    Ding

    English PDF
    GB/T 7672.22-2008 Glass-fiber wound winDing wires - Part 22: Glass-fiber wound resin or varnish impregnated, bare or enamelled round copper wire, temperature index 155
    玻璃丝包绕组线 第22部分:155级浸漆玻璃丝包铜圆线和玻璃丝包漆包铜圆线
    China National Standards
    Ding

    English PDF
    GB/T 7672.2-2008 Glass-fiber wound winDing wires - Part 2: Glass-fiber wound resin or varnish impregnated, bare or enamelled rectangular copper wire, temperature index 130
    玻璃丝包绕组线 第2部分:130级浸漆玻璃丝包铜扁线和玻璃丝包漆包铜扁线
    China National Standards
    Ding

    English PDF
    GB/T 7672.21-2008 Glass-fiber wound winDing wires - Part 21: Glass-fiber wound round copper wire - General requirements
    玻璃丝包绕组线 第21部分:玻璃丝包铜圆绕组线 一般规定
    China National Standards
    Ding

    English PDF
    GB/T 7672.1-2008 Glass-fiber wound winDing wires - Part 1: Glass-fiber wound rectangular copper wire - General requirements
    玻璃丝包绕组线 第1部分:玻璃丝包铜扁绕组线 一般规定
    China National Standards
    Ding

    English PDF
    GB/T 5023.7-2008 Polyvinyl chloride insulated cables of rated voltages up to and incluDing 450/750V - Part 7:Flexible cables screened and unscreened with two or more conductors
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第7部分:二芯或多芯屏蔽和非屏蔽软电缆
    China National Standards
    Ding

    English PDF
    GB/T 5023.5-2008 Polyvinyl chloride insulated cables of rated voltages up to and incluDing 450/750V - Part 5:Flexible cables (cords)
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第5部分:软电缆(软线)
    China National Standards
    Ding

    English PDF
    GB/T 5023.4-2008 Polyvinyl chloride insulated cables of rated voltages up to and incluDing 450/750V - Part 4:Sheathed cables for fixed wiring
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第4部分:固定布线用护套电缆
    China National Standards
    Ding

    English PDF
    GB/T 5023.3-2008 Polyvinyl chloride insulated cables of rated voltages up to and incluDing 450/750V - Part 3:Non-sheathed cables for fixed wiring
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第3部分:固定布线用无护套电缆
    China National Standards
    Ding

    English PDF
    GB/T 5023.2-2008 Polyvinyl chloride insulated cables of rated voltages up to and incluDing 450/750V - Part 2:Test methods
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第2部分:试验方法
    China National Standards
    Ding

    English PDF
    GB/T 5023.1-2008 Polyvinyl chloride insulated cables of rated voltages up to and incluDing 450/750V - Part 1:General requirements
    额定电压450/750V及以下聚氯乙烯绝缘电缆 第1部分:一般要求
    China National Standards
    Ding

    English PDF
    GB/T 11018.2-2008 Copper winDing wires with silk covering - Part 2: Bunched solderable polyurethane enamelled round copper wires, class130, with silk covering
    丝包铜绕组线 第2部分:130级丝包直焊聚氨酯漆包束线
    China National Standards
    Ding

    English PDF
    GB/T 11018.1-2008 Copper winDing wires with silk covering - Part 1: Single wire with silk covering
    丝包铜绕组线 第1部分:丝包单线
    China National Standards
    Ding

    English PDF
    GB/T 9966.8-2008 Test methods for natural facing stones - Part 8: Test method for structural performance of dimension stone cladDing systems by uniform static pressure difference
    天然饰面石材试验方法 第8部分: 用均匀静态压差检测石材挂装系统结构强度试验方法
    China National Standards
    Ding

    English PDF
    GB/T 22083-2008 Classification and requirements for builDing sealants
    建筑密封胶分级和要求
    China National Standards
    Ding

    English PDF
    GB/T 17795-2008 Glass wool thermal insulating products for builDing
    建筑绝热用玻璃棉制品
    China National Standards
    Ding

    English PDF
    GB/T 16777-2008 Test methods for builDing waterproofing coatings
    建筑防水涂料试验方法
    China National Standards
    Ding

    English PDF
    GB/T 1458-2008 Test method for mechanical properties of ring of filament-winDing reinforced plastics
    纤维缠绕增强塑料环形试样力学性能试验方法
    China National Standards
    Ding

    English PDF
    GB/T 13891-2008 Test methods of specular gloss for decorative builDing materials
    建筑饰面材料镜向光泽度测定方法
    China National Standards
    Ding

    English PDF
    GB/T 12976.3-2008 Paper-insulated power cables and their accessories with rated voltages up to and incluDing 35kV - Part 3: Test on cables and their accessories
    额定电压35kV(Um=40.5kV)及以下纸绝缘电力电缆及其附件 第3部分:电缆和附件试验
    China National Standards
    Ding

    English PDF
    GB/T 12976.2-2008 Paper-insulated power cables and their accessories with rated voltages up to and incluDing 35kV - Part 2: General and construction requirements for power cables with rated voltages 35kV
    额定电压35kV(Um=40.5kV)及以下纸绝缘电力电缆及其附件 第2部分:额定电压35kV电缆一般规定和结构要求
    China National Standards
    Ding

    English PDF
    GB/T 12976.1-2008 Paper-insulated power cables and their accessories with rated voltages up to and incluDing 35kV - Part 1: General and construction requirements for power cables with rated voltages up to and including 30kV
    额定电压35kV(Um=40.5kV)及以下纸绝缘电力电缆及其附件 第1部分:额定电压30kV及以下电缆一般规定和结构要求
    China National Standards
    Ding

    English PDF
    GB/T 12528-2008 Rail vehicle cables with rated voltages up to and incluDing 3kV
    交流额定电压3kV及以下轨道交通车辆用电缆
    China National Standards
    Ding

    English PDF
    GB/T 12527-2008 Aerial insulated cables for rated voltages up to and incluDing 1kV
    额定电压1 kV及以下架空绝缘电缆
    China National Standards
    Ding

    English PDF
    GB/T 15568-2008 Sheet molDing compound(SMC) for general purposes
    通用型片状模塑料(SMC)
    China National Standards
    Ding

    English PDF
    GB/T 5757-2008 Determination of moisture holDing capacity of ion exchange resins
    离子交换树脂含水量测定方法
    China National Standards
    Ding

    English PDF
    GB/T 22118-2008 Rules for enterprises credit information collecting, processing and proviDing
    企业信用信息采集、处理和提供规范
    China National Standards
    Ding

    English PDF
    GB 6142-2008 Quality graDing of the grass seeds
    禾本科草种子质量分级
    China National Standards
    Ding

    English PDF
    GB/T 9978.9-2008 Fire-resistance tests - Elements of builDing construction - Part 9: Specific requirements for non-loadbearing ceiling elements
    建筑构件耐火试验方法 第9部分:非承重吊顶构件的特殊要求
    China National Standards
    Ding

    English PDF
    GB/T 9978.8-2008 Fire-resistance tests - Elements of builDing construction - Part 8: Specific requirements for non-loadbearing vertical separating elements
    建筑构件耐火试验方法 第8部分:非承重垂直分隔构件的特殊要求
    China National Standards
    Ding

    English PDF
    GB/T 9978.7-2008 Fire-resistance tests - Elements of builDing construction - Part 7: Specific requirements for columns
    建筑构件耐火试验方法 第7部分:柱的特殊要求
    China National Standards
    Ding

    English PDF
    GB/T 9978.6-2008 Fire-resistance tests-Elements of builDing construction-Part 6:Specific requirements for beams
    建筑构件耐火试验方法 第6部分:梁的特殊要求
    China National Standards
    Ding

    English PDF
    GB/T 9978.5-2008 Fire-resistance tests-Elements of builDing construction-Part 5: Specific requirements for loadbearing horizontal separating elements
    建筑构件耐火试验方法 第5部分:承重水平分隔构件的特殊要求
    China National Standards
    Ding

    English PDF
    GB/T 9978.4-2008 Fire-resistance tests-Elements of builDing construction-Part 4: Specific requirements for loadbearing vertical separating elements
    建筑构件耐火试验方法 第4部分:承重垂直分隔构件的特殊要求
    China National Standards
    Ding

    English PDF
    GB/T 9978.3-2008 Fire-resistance tests -Elements of builDing construction-Part 3: Commentary on test method and test data application
    建筑构件耐火试验方法 第3部分:试验方法和试验数据应用注释
    China National Standards
    Ding

    English PDF
    GB/T 9978.1-2008 Fire-resistance tests-Elements of builDing construction-Part 1: General requirements
    建筑构件耐火试验方法 第1部分:通用要求
    China National Standards
    Ding

    English PDF
    GB/T 8110-2008 WelDing electrodes and rods for gas shielding arc welding of carbon and low alloy steel
    气体保护电弧焊用碳钢、低合金钢焊丝
    China National Standards
    Ding

    English PDF
    GB/T 22086-2008 Recommendations for welDing of aluminium and aluminium alloys
    铝及铝合金弧焊推荐工艺
    China National Standards
    Ding

    English PDF

    Find out:2771Items   |  To Page of: First -Previous-Next -Last  | [15] [16] [17] [18] [19] [20] [21]

     

    +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