China HR 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 "HR" GB Standards English PDF List:

Standard Code	Standard Title	Standard Class	Order
GB/T 11060.10-2014	Natural gas―Determination of sulfur compounds―Part 10: Determination of sulfur compounds using gas cHRomatography method 天然气含硫化合物的测定第10部分：用气相色谱法测定硫化合物	China National Standards HR	English PDF
GB/T 30419-2013	Determination of antimony, arsenic, barium, cadmium,cHRomium, lead,mercury, selenium element migration from toy materials―Inductively coupled plasma atomic emission spectrometry 玩具材料中可迁移元素锑、砷、钡、镉、铬、铅、汞、硒的测定电感耦合等离子体原子发射光谱法	China National Standards HR	English PDF
GB/T 30239-2013	Technical requirements for conservation and restoration of polycHRome on potteries 陶质文物彩绘保护修复技术要求	China National Standards HR	English PDF
GB/T 30467-2013	Conversion rule for specific heat consumption and tHRoughput of across-flow grain dryer 横流粮食干燥机单位耗热量与处理量折算规则	China National Standards HR	English PDF
GB/T 22513-2013	Petroleum and natural gas industries―Drilling and production equipment―Wellhead and cHRistmas tree equipment 石油天然气工业钻井和采油设备井口装置和采油树	China National Standards HR	English PDF
GB/T 30312-2013	Test method for thermal sHRinkage of yarns and cords 浸胶纱线、线绳和帘线热收缩试验方法	China National Standards HR	English PDF
GB/T 11446.7-2013	Test method for trace anion in electronic grade water by ion cHRomatography 电子级水中痕量阴离子的离子色谱测试方法	China National Standards HR	English PDF
GB/T 30433-2013	Standard column used for evaluating liquid cHRomatography 液相色谱仪测试用标准色谱柱	China National Standards HR	English PDF
GB/T 30431-2013	Gas cHRomatograph for laboratory 实验室气相色谱仪	China National Standards HR	English PDF
GB/T 30430-2013	Standard column used for evaluating gas cHRomatography 气相色谱仪测试用标准色谱柱	China National Standards HR	English PDF
GB/T 30483-2013	Determination of theaflavins in tea-high performance liquid cHRomatography 茶叶中茶黄素的测定-高效液相色谱法	China National Standards HR	English PDF
GB/T 30390-2013	Determination of monosaccharide and disaccharide in oil seeds—High-performance liquid cHRomatography 油料种籽中果糖、葡萄糖、蔗糖含量的测定高效液相色谱法	China National Standards HR	English PDF
GB/T 23203.1-2013	Cigarettes―Determination of water in smoke condensates―Part 1: Gas-cHRomatographic method 卷烟总粒相物中水分的测定第1部分：气相色谱法	China National Standards HR	English PDF
GB 30254-2013	Minimum allowable values of energy efficiency and the energy efficiency grades for cage tHRee-phase high voltage induction motor 高压三相笼型异步电动机能效限定值及能效等级	China National Standards HR	English PDF
GB 30253-2013	Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet syncHRonous motors 永磁同步电动机能效限定值及能效等级	China National Standards HR	English PDF
GB/T 12723-2013	General principles for establishing allowance of energy consumption per unit tHRoughput 单位产品能源消耗限额编制通则	China National Standards HR	English PDF
GB/T 4032-2013	Wrist-cHRonometers with spring balance oscillator 具有摆轮游丝振荡系统的精密手表	China National Standards HR	English PDF
GB/T 30172-2013	SyncHRonous belt drives―Technical specification for installation 同步带传动安装技术规范	China National Standards HR	English PDF
GB/T 14791-2013	Screw tHReads―Vocabulary 螺纹术语	China National Standards HR	English PDF
GB/T 11616-2013	SyncHRonous belt dirves—Belts with pitch codes—MXL , XXL , XL , L , H, XH and XXH—Synchronous belt dimensions 同步带传动节距型号MXL、XXL、XL、L、H、XH和XXH 同步带尺寸	China National Standards HR	English PDF
GB/T 3260.2-2013	Methods for chemical analysis of tin―Part 2：Determination of iron content―1,10-phenantHRoline photometric method 锡化学分析方法第2部分：铁量的测定 1,10-二氮杂菲分光光度法	China National Standards HR	English PDF
GB/T 15544.1-2013	Short-circuit current calculation in tHRee-phase a.c. systems―Part 1: Calculation of currents 三相交流系统短路电流计算第1部分：电流计算	China National Standards HR	English PDF
GB/T 30145-2013	Specification for YZP series variable-frequency adjustable-speed tHRee-phase induction motors for crane and metallurgical applications（Frame size 450 to 500) YZP系列起重及冶金用变频调速三相异步电动机技术条件（机座号450～500）	China National Standards HR	English PDF
GB/T 30144-2013	Specification for YZP-H series variable-frequency adjustable-speed tHRee-phase induction motors for crane in ships YZP-H系列船用起重用变频调速三相异步电动机技术条件	China National Standards HR	English PDF
GB/T 30143-2013	Specification for YZR series of wound-rotor tHRee-phase induction motors for crane and metallurgical applications YZR系列起重及冶金用绕线转子三相异步电动机技术条件（机座号450～500）	China National Standards HR	English PDF
GB/T 21972.3-2013	Specification for variable-frequency adjustable-speed tHRee-phase induction motors for crane and metallurgical applications―Part 3:YZP series variable-frequency adjustable-speed three-phase induction motors (cooled with centrifugal fan)for crane and met 起重及冶金用变频调速三相异步电动机技术条件第3部分：YZP系列起重及冶金用变频调速三相异步电动机（离心风机冷却）	China National Standards HR	English PDF
GB/T 14048.20-2013	Low-voltage switchgear and controlgear―Part 5-8: Control circuit devices and switching elements―THRee-position enabling switches 低压开关设备和控制设备第5-8部分：控制电路电器和开关元件三位使能开关	China National Standards HR	English PDF
GB/T 30088-2013	Determination of methyl eugenol in cosmetics by gas cHRomatography/mass spectrometry method 化妆品中甲基丁香酚的测定气相色谱/质谱法	China National Standards HR	English PDF
GB/T 30087-2013	Determination of pheylbutazone in cosmetics by high performance liquid cHRomatography method 化妆品中保泰松含量的测定方法高效液相色谱法	China National Standards HR	English PDF
GB/T 11064.7-2013	Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 7: Determination of iron content-1,10-phenantHRoline spectrophotometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法第7部分：铁量的测定邻二氮杂菲分光光度法	China National Standards HR	English PDF
GB/T 11064.13-2013	Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride - Part 13: Determination of aluminum content - CHRomazurol S-cetylpyridine bromide spectrophotometric method 碳酸锂、单水氢氧化锂、氯化锂化学分析方法第13部分：铝量的测定铬天青S-溴化十六烷基吡啶分光光度法	China National Standards HR	English PDF
GB/T 4615-2013	Poly(vinyl chloride) - Determination of residual vinyl chloride monomer gas-cHRomatographic method 聚氯乙烯残留氯乙烯单体的测定气相色谱法	China National Standards HR	English PDF
GB/T 6839-2013	Testing method for lubrication of sewing tHReads 缝纫线润滑性试验方法	China National Standards HR	English PDF
GB/T 29874-2013	Plastics - Homopolymer and copolymer resins of vinyl chloride - Determination of residual vinyl chloride monomer by gas-cHRomatographic analysis of dry powder 塑料氯乙烯均聚和共聚树脂气相色谱法对干粉中残留氯乙烯单体的测定	China National Standards HR	English PDF
GB/T 29786-2013	Determination of phthalates in electrical and electronic equipments - Gas cHRomatography-mass spectrometry 电子电气产品中邻苯二甲酸酯的测定气相色谱-质谱联用法	China National Standards HR	English PDF
GB/T 29785-2013	Determination of hexabromocyclododecane in electrical and electronic products - Gas cHRomatography-mass spectrometry 电子电气产品中六溴环十二烷的测定气相色谱-质谱联用法	China National Standards HR	English PDF
GB/T 29784.4-2013	Determination of polycyclic aromatic hydrocarbons in electrical and electronic products - Part 4：Gas cHRomatography 电子电气产品中多环芳烃的测定第4部分：气相色谱法	China National Standards HR	English PDF
GB/T 29784.3-2013	Determination of polycyclic aromatic hydrocarbons in electrical and electronic products - Part 3: Liquid cHRomatography-mass spectrometry 电子电气产品中多环芳烃的测定第3部分：液相色谱-质谱法	China National Standards HR	English PDF
GB/T 29784.2-2013	Determination of polycyclic aromatic hydrocarbons in electrical and electronic products - Part 2: Gas cHRomatographic method with mass spectrometric detection 电子电气产品中多环芳烃的测定第2部分: 气相色谱-质谱法	China National Standards HR	English PDF
GB/T 29784.1-2013	Determination of polycyclic aromatic hydrocarbons in electrical and electronic products - Part 1: High performance liquid cHRomatography 电子电气产品中多环芳烃的测定第1部分：高效液相色谱法	China National Standards HR	English PDF
GB/T 29783-2013	Determination of cHRomium(VI) in electrical and electronic products - Atomic fluorescence spectrometry 电子电气产品中六价铬的测定原子荧光光谱法	China National Standards HR	English PDF
GB/T 29747-2013	Coal direct liquefaction - Determination of composition for coal direct liquefaction gas - Gas cHRomatographic method 煤炭直接液化生成气的组成分析气相色谱法	China National Standards HR	English PDF
GB 29709-2013	National Food Safety Standard-Determination of azepinone and its metabolites in animal foods by high performance liquid cHRomatography 食品安全国家标准动物性食品中氮哌酮及其代谢物残留量的测定高效液相色谱法	China National Standards HR	English PDF
GB 29695-2013	National Food Safety Standard-Determination of avermectin and ivermectin residues in aquatic products - High performance liquid cHRomatography 食品安全国家标准水产品中阿维菌素和伊维菌素多残留的测定高效液相色谱法	China National Standards HR	English PDF
GB 29708-2013	National Food Safety Standard-Determination of sodium pentachlorophenolate residues in animal foods - Gas cHRomatographic - mass spectrometric method 食品安全国家标准动物性食品中五氯酚钠残留量的测定气相色谱-质谱法	China National Standards HR	English PDF
GB 29707-2013	National Food Safety Standard-Determination of residual amitraz residues in milk - Gas cHRomatographic method 食品安全国家标准牛奶中双甲脒残留标志物残留量的测定气相色谱法	China National Standards HR	English PDF
GB 29706-2013	National Food Safety Standard-Animal and vegetable products - Determination of dapsone - Residue by liquid cHRomatography - tandem mass spectrometry 食品安全国家标准动物性食品中氨苯砜残留量的测定液相色谱-串联质谱法	China National Standards HR	English PDF
GB 29705-2013	National Food Safety Standard-Determination of cypermetHRin, fenvalerate, deltamethrin residues in aquatic products by gas chromatography 食品安全国家标准水产品中氯氰菊酯、氰戊菊酯、溴氰菊酯多残留的测定气相色谱法	China National Standards HR	English PDF
GB 29704-2013	National Food Safety Standard-Determination of cyclamiprazine and metabolites of melamine in animal foods by ultra performance liquid cHRomatography-tandem mass spectrometry 食品安全国家标准动物性食品中环丙氨嗪及代谢物三聚氰胺多残留的测定超高效液相色谱-串联质谱法	China National Standards HR	English PDF
GB 29703-2013	National Food Safety Standard-Determination of furazolidone residues in animal foods - Liquid cHRomatography - tandem mass spectrometry 食品安全国家标准动物性食品中呋喃苯烯酸钠残留量的测定液相色谱-串联质谱法	China National Standards HR	English PDF
GB 29702-2013	National Food Safety Standard-Determination of Trimethoprim Residue in Aquatic Products by High Performance Liquid CHRomatography 食品安全国家标准水产品中甲氧苄啶残留量的测定高效液相色谱法	China National Standards HR	English PDF
GB 29701-2013	National Food Safety Standard-Determination of diclazuril residue in chicken edible tissue by high performance liquid cHRomatography 食品安全国家标准鸡可食性组织中地克珠利残留量的测定高效液相色谱法	China National Standards HR	English PDF
GB 29691-2013	National Food Safety Standard-Determination of nicarbazin residues in edible tissues of chickens by high performance liquid cHRomatography 食品安全国家标准鸡可食性组织中尼卡巴嗪残留量的测定高效液相色谱法	China National Standards HR	English PDF
GB 29700-2013	National Food Safety Standard-Determination of chlorpyrifos residues in milk - Gas cHRomatographic - mass spectrometric method 食品安全国家标准牛奶中氯羟吡啶残留量的测定气相色谱-质谱法	China National Standards HR	English PDF
GB 29698-2013	National Food Safety Standard-Determination of 17β-estradiol, estriol and ethinylestradiol residues in milk and milk products by gas cHRomatography-mass spectrometry 食品安全国家标准奶及奶制品中17β-雌二醇、雌三醇、炔雌醇多残留的测定气相色谱-质谱法	China National Standards HR	English PDF
GB 29697-2013	National Food Safety Standard-Determination of diazepam and methaqualone residues in animal foods by gas cHRomatography - mass spectrometry 食品安全国家标准动物性食品中地西泮和安眠酮多残留的测定气相色谱-质谱法	China National Standards HR	English PDF
GB 29689-2013	National Food Safety Standard-Milk - Determination of thiamphenicol residues - High performance liquid cHRomatography 食品安全国家标准牛奶中甲砜霉素残留量的测定高效液相色谱法	China National Standards HR	English PDF
GB 29688-2013	National Food Safety Standard-Determination of chloramphenicol residues in milk - Liquid cHRomatography - tandem mass spectrometry 食品安全国家标准牛奶中氯霉素残留量的测定液相色谱 -串联质谱法	China National Standards HR	English PDF
GB 29687-2013	National Food Safety Standard-Determination of albendazole and its metabolites in aquatic products by high performance liquid cHRomatography 食品安全国家标准水产品中阿苯达唑及其代谢物多残留的测定高效液相色谱法	China National Standards HR	English PDF
GB 29686-2013	National Food Safety Standard-Determination of Avilamycin Residues in Pig Edible Tissues by Liquid CHRomatography - Tandem Mass Spectrometry 食品安全国家标准猪可食性组织中阿维拉霉素残留量的测定液相色谱-串联质谱法	China National Standards HR	English PDF
GB 29685-2013	National Food Safety Standard-Determination of Lincomycin, Clindamycin and Spectinomycin Residues in Animal Foods by Gas CHRomatography-Mass Spectrometry 食品安全国家标准动物性食品中林可霉素、克林霉素和大观霉素多残留的测定气相色谱—质谱法	China National Standards HR	English PDF
GB 29684-2013	National Food Safety Standard-Determination of erytHRomycin residues in aquatic products - Liquid chromatography - tandem mass spectrometry 食品安全国家标准水产品中红霉素残留量的测定液相色谱-串联质谱法	China National Standards HR	English PDF
GB 29683-2013	National Food Safety Standard-Determination of acetaminophen residues in animal foods - High performance liquid cHRomatography 食品安全国家标准动物性食品中对乙酰氨基酚残留量的测定高效液相色谱法	China National Standards HR	English PDF
GB 29681-2013	National Food Safety Standard-Determination of Levamisole Residue in Milk by High Performance Liquid CHRomatography 食品安全国家标准牛奶中左旋咪唑残留量的测定高效液相色谱法	China National Standards HR	English PDF
GB 29692-2013	National Food Safety Standard - Determination of Residual Quinolones in Milk - High Performance Liquid CHRomatography 食品安全国家标准牛奶中喹诺酮类药物多残留的测定高效液相色谱法	China National Standards HR	English PDF
GB 29690-2013	National Food Safety Standard - Determination of Residual Nicarbazin Marker Quantity in Animal Food - Liquid CHRomatography-tandem Mass Spectrometry 食品安全国家标准动物性食品中尼卡巴嗪残留标志物残留量的测定液相色谱-串联质谱法	China National Standards HR	English PDF
GB 29682-2013	National Food Safety Standard Determination of Penicillins residues in aquatic products by High Performance Liquid CHRomatographic method 食品安全国家标准水产品中青霉素类药物多残留的测定高效液相色谱法	China National Standards HR	English PDF
GB 29694-2013	National Food Safety Standard - Determination of Residual 13 Types of Sulfonamides in Animal Food - High Performance Liquid CHRomatography 食品安全国家标准动物性食品中13种磺胺类药物多残留的测定高效液相色谱法	China National Standards HR	English PDF
GB 29693-2013	National Food Safety Standard - Determination of Residual Halofuginone Amount in Animal Food - High Performance Liquid CHRomatography 食品安全国家标准动物性食品中常山酮残留量的测定高效液相色谱法	China National Standards HR	English PDF
GB 29699-2013	National Food Safety Standard - Determination of Residual Clopidol Quantity in the Muscular Tissue of Chicken - Gas CHRomatography/mass Spectrography 食品安全国家标准鸡肌肉组织中氯羟吡啶残留量的测定气相色谱-质谱法	China National Standards HR	English PDF
GB 29696-2013	National Food Safety Standard - Determination of Residual Abamectins in Milk - High Performance Liquid CHRomatography 食品安全国家标准牛奶中阿维菌素类药物多残留的测定高效液相色谱法	China National Standards HR	English PDF
GB/T 13748.9-2013	Chemical analysis methods of magnesium and magnesium alloys - Part 9：Determination of iron content - OrthopenantHRoline spectrophotometric method 镁及镁合金化学分析方法第9部分：铁含量测定邻二氮杂菲分光光度法	China National Standards HR	English PDF
GB/T 29677-2013	Determination of nitromethane in cosmetics - Gas cHRomatography-mass spectrometry 化妆品中硝甲烷的测定气相色谱-质谱法	China National Standards HR	English PDF
GB/T 29676-2013	Determination of chlorobutanol in cosmetics - Gas cHRomatography-mass spectrometry 化妆品中三氯叔丁醇的测定气相色谱-质谱法	China National Standards HR	English PDF
GB/T 29675-2013	Determination of nonylphenol in cosmetics - Liquid cHRomatography tandem mass spectrometry 化妆品中壬基苯酚的测定液相色谱-质谱/质谱法	China National Standards HR	English PDF
GB/T 29674-2013	Determination of chloramine T in cosmetics - High performance liquid cHRomatography 化妆品中氯胺T的测定高效液相色谱法	China National Standards HR	English PDF
GB/T 29673-2013	Determination of hexachlorophene in cosmetics - High performance liquid cHRomatography 化妆品中六氯酚的测定高效液相色谱法	China National Standards HR	English PDF
GB/T 29672-2013	Determination of acrylonitrile in cosmetics - Gas cHRomatography-mass spectrometry 化妆品中丙烯腈的测定气相色谱-质谱法	China National Standards HR	English PDF
GB/T 29671-2013	Determination of zinc 4-hydroxybenzene sulphonate in cosmetics - High performance liquid cHRomatography 化妆品中苯酚磺酸锌的测定高效液相色谱法	China National Standards HR	English PDF
GB/T 29670-2013	Determination of 9 polycyclic aromatic hydrocarbons including naphthalene, benzo[a]antHRacene in cosmetics - Gas chromatography-mass spectrometry 化妆品中萘、苯并[a]蒽等9种多环芳烃的测定气相色谱-质谱法	China National Standards HR	English PDF
GB/T 29669-2013	Determination of 10 volatile nitrosamines including N-Nitrosodimethylamine in cosmetics - Gas cHRomatography tandem mass spectrometry 化妆品中N-亚硝基二甲基胺等10种挥发性亚硝胺的测定气相色谱-质谱/质谱法	China National Standards HR	English PDF
GB/T 29663-2013	Determination of sudanⅠ,Ⅱ,Ⅲ,Ⅳ in cosmetics - High performance liquid cHRomatography 化妆品中苏丹红Ⅰ、Ⅱ、Ⅲ、Ⅳ的测定高效液相色谱法	China National Standards HR	English PDF
GB/T 29662-2013	Determination of kojic acid and kojic dipalmitate in cosmetics - High performance liquid cHRomatography 化妆品中曲酸、曲酸二棕榈酸酯的测定高效液相色谱法	China National Standards HR	English PDF
GB/T 29660-2013	Determination of CHRomium in cosmetics 化妆品中总铬含量的测定	China National Standards HR	English PDF
GB/T 29644-2013	Rubber，vulcanized - Determination the content of N-phenyl-β-naphthylamine - High performance liquid cHRomatogramic method 硫化橡胶 N-苯基-β-萘胺含量的测定高效液相色谱法	China National Standards HR	English PDF
GB/T 29562.3-2013	Energy efficiency test procedures of motors for crane - Part 3: Conical rotor 3-phase asyncHRonous motors 起重机械用电动机能效测试方法第3部分：锥形转子三相异步电动机	China National Standards HR	English PDF
GB/T 29562.2-2013	Energy efficiency test procedures of motors for crane - Part 2: YZR/YZ series 3-phase asyncHRonous motors 起重机械用电动机能效测试方法第2部分：YZR/YZ系列三相异步电动机	China National Standards HR	English PDF
GB/T 29562.1-2013	Energy efficiency test procedures of motors for crane - Part 1: YZP series of variable-frequency adjustable-speed 3-phase asyncHRonous motors 起重机械用电动机能效测试方法第1部分：YZP系列变频调速三相异步电动机	China National Standards HR	English PDF
GB/T 29616-2013	Thermoplastic elastomer - Determination of polycyclic aromatic hydrocarbons - Gas cHRomatography-mass spectrometry 热塑性弹性体多环芳烃的测定气相色谱-质谱法	China National Standards HR	English PDF
GB/T 29613.1-2013	Rubber - Analysis by pyrolytic gas-cHRomatographic methods - Part 1：Identification of polymers （single polymers and polymer blends）橡胶裂解气相色谱分析法第1部分：聚合物（单一及并用）的鉴定	China National Standards HR	English PDF
GB/T 29610-2013	Rubber products - Determination of polybrominated biphenyls and polybrominated diphenyl ethers - Gas cHRomatography and mass spectrometry 橡胶制品多溴联苯和多溴二苯醚的测定气相色谱-质谱法	China National Standards HR	English PDF
GB/T 2405-2013	AntHRaquinone 蒽醌	China National Standards HR	English PDF
GB/T 18423-2013	Rubber and plastics hoses and tubing - Determination of transmission of liquids tHRough hose and tubing walls 橡胶和塑料软管及非增强软管液体壁透性测定	China National Standards HR	English PDF
GB/T 29537-2013	Pipe tHReads with 80 degree thread angle where pressure-tight joints are not made on the threads 80°非密封管螺纹	China National Standards HR	English PDF
GB/T 15-2013	MusHRoom head nib bolts 扁圆头带榫螺栓	China National Standards HR	English PDF
GB/T 14-2013	MusHRoom head square neck bolts 扁圆头方颈螺栓	China National Standards HR	English PDF
GB/T 1414-2013	General purpose metric screw tHReads - The plan for pipe systems 普通螺纹管路系列	China National Standards HR	English PDF
GB 20052-2013	Minimum allowable values of energy efficiency and energy efficiency grades for tHRee-phase distribution transformers 三相配电变压器能效限定值及能效等级	China National Standards HR	English PDF
GB/T 4325.7-2013	Methods for chemical analysis of molybdenum - Part 7: Determination of iron content - 1,10-phenantHRoline spectrophotometry and inductively coupled plasma atomic emission spectrometry 钼化学分析方法第7部分：铁量的测定邻二氮杂菲分光光度法和电感耦合等离子体发射光谱法	China National Standards HR	English PDF
GB/T 4325.26-2013	Methods for chemical analysis of molybdenum - Part 26: Determination of aluminium，magnesium，calcium，vanadium，cHRomium，manganese，iron，cobalt，nickel，copper，zinc，arsenic，cadmium ，tin，antimony，tungsten，lead and bismuth contents 钼化学分析方法第26部分：铝、镁、钙、钒、铬、锰、铁、钴、镍、铜、锌、砷、镉、锡、锑、钨、铅和铋量的测定电感耦合等离子体质谱法	China National Standards HR	English PDF

Find out:2281Items | To Page of: First -Previous-Next -Last | [5] [6] [7] [8] [9] [10] [11]

- Since 2001 -
Focus on China Standards & Compliance Services

www.gbstandards.org
China National Standards