China National Standards

China Determinatio 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 "Determinatio" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 17090-1997 Workplace air--Determination of trichlorethylene--Gas chromatographic method
    车间空气中三氯乙烯的气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17089-1997 Workplace air--Determination of N,N-dimethylaniline--Solvent desorption gas chromatographic method
    车间空气中N,N-二甲基苯胺的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17088-1997 Workplace air--Determination of N-methylaniline--Solvent desorption gas chromotrographic method
    车间空气中N-甲基苯胺的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17087-1997 Workplace air--Determination ofmolybdenum--ICP-AES method
    车间空气中钼的等离子体发射光谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17086-1997 Workplace air--Determination of 2-butoxyethanol--Solvent desorption gas chromatographic method
    车间空气中2-丁氧基乙醇的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17085-1997 Workplace air--Determination of 2-ethoxyethanol--Solvent desorption gas chromatographic method
    车间空气中2-乙氧基乙醇的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17084-1997 Workplace air--Determination of 2-methoxyethanol--Solvent desorption gas chromatographic method
    车间空气中2-甲氧基乙醇的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17083-1997 Workplace air--Determination of amyl acetate--Solvent desorption gas chromatographic method
    车间空气中乙酸戊酯的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17082-1997 Workplace air--Determination of butyl acetate--Solvent desorption gas chromatographic method
    车间空气中乙酸丁酯的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17081-1997 Workplace air--Determination of propyl acetate--Solvent desorption gas chromatographic method
    车间空气中乙酸丙酯的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17080-1997 Workplace air--Determination of ethyl acetate--Solvent desorption gas chromatographic method
    车间空气中乙酸乙酯的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17079-1997 Workplace air--Determination of methyl acetate--Solvent desorption gas chromatographic method
    车间空气中乙酸甲酯的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17078-1997 Workplace air--Determination of trinitrophenol--Liquid chromatographic method
    车间空气中三硝基苯酚的高效液相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17077-1997 Workplace air--Determination of dimethyl sulphate--Solvent desorption liquid chromatographic method
    车间空气中硫酸二甲酯的溶剂解吸液相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17076-1997 Workplace air--Determination of isobutyl alcohol--Solvent desorption gas chromatographic method
    车间空气中异丁醇的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17075-1997 Workplace air--Determination of butyl alcohol--Solvent desorption gas chromatographic method
    车间空气中丁醇的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17074-1997 Workplace air--Determination of acetaldehyde--Solvent desorption gas chromatographic method
    车间空气中乙醛的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17073-1997 Workplace air--Determination of cyclohexanone--Solvent desorption gas chromatographic method
    车间空气中环己酮的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17072-1997 Workplace air--Determination of p-nitroaniline--Solvent desorption gas chromatographic method
    车间空气中对硝基苯胺的溶剂解吸气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17071-1997 Workplace air--Determination of benzyl cyanide--Gas chromatographic method
    车间空气中苄基氰的气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17070-1997 Workplace air--Determination of benzyl chloride--Gas chromatographic method
    车间空气中苄基氯的气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17069-1997 Workplace air--Determination of propionic acid--Gas chromatographic method
    车间空气中丙酸的气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17068-1997 Workplace air--Determination of formic acid--Gas chromatographic method
    车间空气中甲酸的气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17067-1997 Workplace air--Determination of arsenic trioxide--Atomic absorption spectrometric method
    车间空气中三氧化二砷原子吸收光谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17066-1997 Workplace air--Determination of diethylamine--Gas chromatographic method
    车间空气中二乙胺的气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17065-1997 Workplace air--Determination ofl,l-dimethylhydrazine--Gas chromatographic method
    车间空气中偏二甲基肼的气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17064-1997 Workplace air--Determination of methyl mercaptan--Gas chromatography method
    车间空气中甲硫醇的气相色谱测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 17063-1997 Workplace air--Determination of antimony and its compounds--Flame atomic absorption spectroscopy
    车间空气中锑及其化合物的火焰原子吸收光谱测定方法
    China National Standards
    Determinatio

    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
    Determinatio

    English PDF
    GB/T 4702.1-1997 Methods for chemical analysis of chromium metal--The ammonium ferrous sulfate volumetric method for theDetermination of chromium content
    金属铬化学分析方法 硫酸亚铁铵容量法测定铬量
    China National Standards
    Determinatio

    English PDF
    GB/T 2292-1997 Coking products--Determination of toluene-insoluble content
    焦化产品甲苯不溶物含量的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 1815-1997 Determination for the bromine number of benzole products
    苯类产品溴价的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 6683-1997 Petroleum products--Determination of precision data in relation to methods of test
    石油产品试验方法精密度数据确定法
    China National Standards
    Determinatio

    English PDF
    GB/T 17036-1997 Determination of germanium in uranium geological samples--Salicyl fluorone spectrophotometry
    铀矿地质样品中锗的测定 水杨基荧光酮分光光度法
    China National Standards
    Determinatio

    English PDF
    GB/T 9995-1997 Determination of moisture content and moisture regain of textile--Oven-drying method
    纺织材料含水率和回潮率的测定 烘箱干燥法
    China National Standards
    Determinatio

    English PDF
    GB/T 3820-1997 Determination of thickness of textiles and textile products
    纺织品和纺织制品厚度的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 17031.2-1997 Textiles--Effect of dry heat on fabrics under low pressure--Part 2:Determination ofdimensional change in fabrics exposed to dry heat
    纺织品 织物在低压下的干热效应 第2部分:受干热的织物尺寸变化的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 4499-1997 Vulcanized rubber--Determination of antidegradant content--Thin layer chromatographic method
    硫化橡胶中防老化剂的测定 薄层色谱法
    China National Standards
    Determinatio

    English PDF
    GB/T 16998-1997 Hot-melt adhesives--Determination of thermal stab-ility
    热熔胶粘剂热稳定性测定
    China National Standards
    Determinatio

    English PDF
    GB/T 16995-1997 Determination of gel time of thermosetting powder coatings at a given temperature
    热固性粉末涂料在给定温度下胶化时间的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 16990-1997 Textiles--Tests for colour fastness--Instrumental Determination of 1/1 standard depth of colour
    纺织品 色牢度试验 颜色1/1标准深度的仪器测定
    China National Standards
    Determinatio

    English PDF
    GB/T 16920-1997 Glass--Determination of coefficient of mean linear thermal expansion
    玻璃 平均线热膨胀系数的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 12307.3-1997 Metalliccoatings--Test methods for electrodeposited silver and silver alloy coatings--Part 3:Determination of the presence of residual salts
    金属覆盖层 银和银合金电镀层的试验方法 第三部分:残留盐的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 12305.6-1997 Metalliccoating--Test methods for electrodeposited gold and gold alloy coatings--Part 6:Determination of the presence of residual salts
    金属覆盖层 金和金合金电镀层的试验方法 第六部分:残留盐的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 2679.17-1997 Corrugated fibreboard--Determination of edgewise crush resistance(Edge reinforced method)
    瓦楞纸板边压强度的测定(边缘补强法)
    China National Standards
    Determinatio

    English PDF
    GB/T 16867-1997 Determination of residual styrene monomer in polystyrene and acry-lonitrile-butadiene-styrene resins by gas chromatography
    聚苯乙烯和丙烯腈-丁二烯-苯乙烯树脂中残留苯乙烯单体的测定 气相色谱法
    China National Standards
    Determinatio

    English PDF
    GB/T 5453-1997 Textiles--Determination of the permeability of fabrics to air
    纺织品 织物透气性的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 3819-1997 Textiles--Determination of the recovery from creasing of a folded specimen by measuring the angle of recovery
    纺织品 织物折痕回复性的测定 回复角法
    China National Standards
    Determinatio

    English PDF
    GB 16840.4-1997 Technical Determination methods for electrical fire cause--Part 4:Metallographic method
    电气火灾原因技术鉴定方法 第4部分:金相法
    China National Standards
    Determinatio

    English PDF
    GB 16840.3-1997 Technical Determination methods for electrical fire cause--Part 3:Component analytic method
    电气火灾原因技术鉴定方法 第3部分:成分分析法
    China National Standards
    Determinatio

    English PDF
    GB 16840.2-1997 Technical Determination methods for electrical fire cause--Part 2:Residual magnetic method
    电气火灾原因技术鉴定方法 第2部分:剩磁法
    China National Standards
    Determinatio

    English PDF
    GB/T 5413.2-1997 Milk powder and formula foods forinfant and young children--Determination of whey protein
    婴幼儿配方食品和乳粉 乳清蛋白的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 2294-1997 Solid products of coal carbonization--Determination of softening point
    焦化固体类产品 软化点测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 223.74-1997 Methods for chemical analysis of iron,steel and alloy--The combustion gravimetric/gas-volumetric method for the Determination of non-combined carbon content
    钢铁及合金化学分析方法 非化合碳含量的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 223.71-1997 Methods for chemical analysis of iron,steel and alloy--The gravimetric method after combustion in the pipe furnace for the Determination of carbon content
    钢铁及合金化学分析方法 管式炉内燃烧后重量法测定碳含量
    China National Standards
    Determinatio

    English PDF
    GB/T 223.68-1997 Methods for chemical analysis of iron,steel and alloy--The potassium iodate titration method after combustion in the pipe furnace for the Determination of sulfur content
    钢铁及合金化学分析方法 管式炉内燃烧后碘酸钾滴定法测定硫含量
    China National Standards
    Determinatio

    English PDF
    GB/T 223.60-1997 Methods for chemical analysis of iron,steel and alloy--The perchloric acid dehydration gravimetric method for the Determination of silicon content
    钢铁及合金化学分析方法 高氯酸脱水重量法测定硅含量
    China National Standards
    Determinatio

    English PDF
    GB/T 218-1996 Determination of carbon dioxide content in the mineral carbonates associated with coal
    煤中碳酸盐二氧化碳含量的测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 4689.20-1996 Leather--Determination of adhesion of finish
    皮革 涂层粘着牢度测定方法
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.9-1996 Sponge titanium,titanium and titanium alloys--Determination of tin content--Potassium iodate titration method
    海绵钛、钛及钛合金化学分析方法 碘酸钾滴定法测定锡量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.8-1996 Sponge titanium,titanium and titanium alloys--Determination of aluminium content--Separation with sodium hydroxide-EDTA complexometric titration method
    海绵钛、钛及钛合金化学分析方法 碱分离-EDTA络合滴定法测定铝量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.6-1996 Sponge titanium,titanium and titanium alloys--Determination of boron content--Extraction-methylene blue spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 次甲基蓝萃取分光光度法测定硼量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.5-1996 Sponge titanium,titanium and titanium alloys--Determination of molybdenum content--Thiocyanate spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 硫氰酸盐分光光度法测定钼量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.4-1996 Sponge titanium,titanium and titanium alloys--Determination of manganese content--Potassium periodate spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 高碘酸盐分光光度法测定锰量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.3-1996 Sponge titanium,titanium and titanium alloys--Determination of silicon content--Molybdenum blue spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 钼蓝分光光度法测定硅量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.24-1996 Sponge titanium,titanium and titanium alloys--Determination of nickel content--Dimethylglyoxime spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 丁二酮肟分光光度法测定镍量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.23-1996 Sponge titanium,titanium and titanium alloys--Determination of palladium content--Stannous choride--Potassium iodide spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 氯化亚锡-碘化钾分光光度法测定钯量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.22-1996 Sponge titanium,titanium and titanium alloys--Determination of niobium content-2-(5-Bromo-2-pyridylazo)-5-Diethylaminophenol spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 5-Br-PADAP分光光度法测定铌量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.21-1996 Sponge titanium,titanium and titanium alloys--Determination ofmanganese,chromium,nickel,aluminium,molybdenum,tin,vanadium,yttrium,copper,zirconium content--Emission spectrographic method
    海绵钛、钛及钛合金化学分析方法 发射光谱法测定锰、铬、镍、铝、钼、锡、钒、钇、铜、锆量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.20-1996 Sponge titanium,titanium and titanium alloys--Determination of manganese content--Potassium periodate spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 高碘酸钾分光光度法测定锰量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.19-1996 Sponge titanium,titanium and titanium alloys--Determination of molybdenum content--Thiocyanate differential spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 硫氰酸盐示差分光光度法测定钼量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.18-1996 Sponge titanium,titanium and titanium alloys--Determination of tin content--Flame atomic absorption spectrometric method
    海绵钛、钛及钛合金化学分析方法 火焰原子吸收光谱法测定锡量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.17-1996 Sponge titanium,titanium and titanium alloys--Determination of magnesium content--Flame atomic absorption spectrometric method
    海绵钛、钛及钛合金化学分析方法 火焰原子吸收光谱法测定镁量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.13-1996 Sponge titanium,titanium and titanium alloys--Determination of zirconium content--EDTA complexometric titration method
    海绵钛、钛及钛合金化学分析方法 EDTA络合滴定法测定锆量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.12-1996 Sponge titanium,titanium and titanium alloys--Determination of vanadium content--Ammonium ferrous sulfate titration method
    海绵钛、钛及钛合金化学分析方法 硫酸亚铁铵滴定法测定钒量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.1-1996 Sponge titanium,titanium and titanium alloys--Determination of copper content--Diethyldithiocarbamate spectrophotometric method
    海绵钛、钛及钛合金化学分析方法 铜试剂分光光度法测定铜量
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.11-1996 Sponge titanium,titanium and titanium alloys--Determination of chromium content in the absence of Vanadium--Ammonium ferrous sulfate titration method
    海绵钛、钛及钛合金化学分析方法 硫酸亚铁铵滴定法测定铬量(不含钒)
    China National Standards
    Determinatio

    English PDF
    GB/T 4698.10-1996 Sponge titanium,titanium and titanium alloys--Determination of chromium content in thepresence of Vanadium--Ammonium ferrous sulfate titration method
    海绵钛、钛及钛合金化学分析方法 硫酸亚铁铵滴定法测定铬量(含钒)
    China National Standards
    Determinatio

    English PDF
    GB/T 1425-1996 Determination of melting temperature range for precious metals and their alloys--Testing method of thermal analysis
    贵金属及其合金熔化温度范围的测定 热分析试验方法
    China National Standards
    Determinatio

    English PDF
    GB/T 7122-1996 Adhesives--Determination of peel resistance of high-strength adhesive bonds--Floating roller method
    高强度胶粘剂剥离强度的测定 浮辊法
    China National Standards
    Determinatio

    English PDF
    GB/T 6329-1996 Adhesives--Determination of tensile strength of butt joints
    胶粘剂对接接头拉伸强度的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 6029-1996 Vulcanized rubber--Determination ofaccelerant--Thin layer chromatographic method
    硫化橡胶中促进剂的检定 薄层色谱法
    China National Standards
    Determinatio

    English PDF
    GB/T 2469-1996 Pyrites and concentrate--Determination of carbon content--Caustic asbestos gravimetric method
    硫铁矿和硫精矿中碳含量的测定 烧碱石棉重量法
    China National Standards
    Determinatio

    English PDF
    GB/T 2465-1996 Pyrites and concentrate--Determination of fluorine content--Ion-selective electrode method
    硫铁矿和硫精矿中氟含量的测定 离子选择性电极法
    China National Standards
    Determinatio

    English PDF
    GB/T 2464-1996 Pyrites and concentrate--Determination of arsenic content--Ag-DDTC spectrophotometric method
    硫铁矿和硫精矿中砷含量的测定 Ag-DDTC分光光度法
    China National Standards
    Determinatio

    English PDF
    GB/T 2461-1996 Pyrites and concentrate--Determination of moisture--Gravimetric method
    硫铁矿和硫精矿水分的测定 重量法
    China National Standards
    Determinatio

    English PDF
    GB/T 16581-1996 Test method for the Determination of oxygen index of insulating liquids
    绝缘液体燃烧性能试验方法 氧指数法
    China National Standards
    Determinatio

    English PDF
    GB/T 16575-1996 Pyrites and concentrate--Determination of aluminium content--EDTA volumetric method
    硫铁矿和硫精矿中铝含量的测定 EDTA容量法
    China National Standards
    Determinatio

    English PDF
    GB/T 16574-1996 Pyrites and concentrate--Determination of silicon content--Gravimetric method
    硫铁矿和硫精矿中硅含量的测定 重量法
    China National Standards
    Determinatio

    English PDF
    GB/T 16539-1996 Acoustics--Determination of sound power levels of noise sources using vibration velocity--Measurement for seal machinery
    声学 振速法测定噪声源声功率级 用于封闭机器的测量
    China National Standards
    Determinatio

    English PDF
    GB/T 3671.2-1996 Determination of cold water solubility of water-soluble dyes
    水溶性染料冷水溶解度的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 3671.1-1996 Determination of application solubility and solution stability of water-soluble dyes
    水溶性染料溶解度和溶液稳定性的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 16489-1996 Water quality--Determination ofsulfide--Methylene blue spectrophotometric method
    水质 硫化物的测定 亚甲基蓝分光光度法
    China National Standards
    Determinatio

    English PDF
    GB/T 16488-1996 Water quality--Determination of petroleum oil, animal and vegetable oils--Infrared photometric method
    水质 石油类和动植物油的测定 红外光度法
    China National Standards
    Determinatio

    English PDF
    GB/T 16484.17-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of water content in rare earth carbonate
    氯化稀土、碳酸稀土化学分析方法 碳酸稀土中水分量的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 16480.3-1996 Methods for chemical analysis of yttrium and yttrium oxide--Determination of fluorine content
    金属钇及氧化钇化学分析方法 氟量的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 2462-1996 Pyrites and concentrate--Determination of effective sulfur content--Combustion neutralization method
    硫铁矿和硫精矿中有效硫含量的测定 燃烧中和法
    China National Standards
    Determinatio

    English PDF
    GB/T 2679.14-1996 Filter paper and filterboard--Determinationof maximum pore diameter
    过滤纸和纸板最大孔径的测定
    China National Standards
    Determinatio

    English PDF
    GB/T 2678.6-1996 Paper,board and pulps--Determination of water soluble sulphates (Conductimetric titration method)
    纸、纸板和纸浆水溶性硫酸盐的测定(电导滴定法)
    China National Standards
    Determinatio

    English PDF
    GB/T 16430-1996 Determination of the minimum ignition temperature of dust layer
    粉尘层最低着火温度测定方法
    China National Standards
    Determinatio

    English PDF

    Find out:7624Items   |  To Page of: First -Previous-Next -Last  | [63] [64] [65] [66] [67] [68] [69]

     

    +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