China National Standards

China CO 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 "CO" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 21978.3-2008 Instrument for precipitation observation - Part 3: Siphon rainfall reCOrder
    降水量观测仪器 第3部分:虹吸式雨量计
    China National Standards
    CO

    English PDF
    GB/T 10470-2008 Quick frozen fruits and vegetables - Determination of mineral impurities COntent
    速冻水果和蔬菜 矿物杂质测定方法
    China National Standards
    CO

    English PDF
    GB/T 8571-2008 Preparation of laboratory samples for COmpound fertilizers
    复混肥料 实验室样品制备
    China National Standards
    CO

    English PDF
    GB/T 6276.1-2008 Determination of ammonium hydrogen carbonate for industrial use - Part 1: Ammonium hydrogen carbonate COntent - Acid-base method
    工业用碳酸氢铵的测定方法 第1部分:碳酸氢铵含量 酸碱滴定法
    China National Standards
    CO

    English PDF
    GB/T 2441.1-2008 Determination of urea - Part 1:Total nitrogen COntent
    尿素的测定方法 第1部分:总氮含量
    China National Standards
    CO

    English PDF
    GB/T 18147.2-2008 Test method for hemp fibre - Part 2: Test method for residual gum COntent of hemp fibre
    大麻纤维试验方法 第2部分:残胶率试验方法
    China National Standards
    CO

    English PDF
    GB/T 18147.1-2008 Test method for hemp fibre - Part 1: Test method for oil COntent of hemp fibre
    大麻纤维试验方法 第1部分:含油率试验方法
    China National Standards
    CO

    English PDF
    GB/T 17767.1-2008 Determination of organic-inorganic COmpound fertilizers - Part 1: Total nitrogen content
    有机-无机复混肥料的测定方法 第1部分:总氮含量
    China National Standards
    CO

    English PDF
    GB/T 17686-2008 COtton fibre - Determination of linear density - Array method
    棉纤维 线密度试验方法 排列法
    China National Standards
    CO

    English PDF
    GB/T 13784-2008 Test method for COlour of cotton - Colourimeter method
    棉花颜色试验方法 测色仪法
    China National Standards
    CO

    English PDF
    GB/T 10512-2008 Determination of phosphorus COntent for nitrophosphate - Quinoline phosphomolybdate gravimetric method
    硝酸磷肥中磷含量的测定 磷钼酸喹啉重量法
    China National Standards
    CO

    English PDF
    GB/T 10511-2008 Determination of total nitrogen COntent for nitrophosphate - Titrimetric method after distillation
    硝酸磷肥中总氮含量的测定 蒸馏后滴定法
    China National Standards
    CO

    English PDF
    GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phoshpate - Part 1: Total nitrogen COntent
    磷酸一铵、磷酸二铵的测定方法 第1部分:总氮含量
    China National Standards
    CO

    English PDF
    GB/T 5170.11-2008 Inspection methods for environmental testing equipments for electric and electronic products - COrrosive gas testing equipments
    电工电子产品环境试验设备检验方法 腐蚀气体试验设备
    China National Standards
    CO

    English PDF
    GB/T 5170.10-2008 Inspection methods for environmental testing equipments for electric and electronic products - COmbined high and low temperature/low air pressure testing equipments
    电工电子产品环境试验设备检验方法 高低温低气压试验设备
    China National Standards
    CO

    English PDF
    GB/T 18873-2008 General guide of transmission electron microsCOpe (TEM)- X-ray energy dispersive spectrometry(EDS) quantitative microanalysis for thin biological specimens
    生物薄试样的透射电子显微镜-X射线能谱定量分析通则
    China National Standards
    CO

    English PDF
    GB/T 17507-2008 General specification of thin biological standards for X-ray EDS microanalysis in transmission electron microsCOpe
    透射电子显微镜X射线能谱分析生物薄标样的通用技术条件
    China National Standards
    CO

    English PDF
    GB/T 17506-2008 The analysis method of COrrosive layer on ferrous metals of ship with EPMA
    船舶黑色金属腐蚀层的电子探针分析方法
    China National Standards
    CO

    English PDF
    GB/T 17360-2008 Quantitative analysis method of low COntent Si and Mn in steel with electron probe microanalysis
    钢中低含量Si、Mn的电子探针定量分析方法
    China National Standards
    CO

    English PDF
    GB/T 14522-2008 Artificial weathering test method for plastics,COating and rubber materials used for machinery industrial products - Fluorescent UV lamps
    机械工业产品用塑料、涂料、橡胶材料人工气候老化试验方法 荧光紫外灯
    China National Standards
    CO

    English PDF
    GB 4706.89-2008 Safety of household and similar electrical appliances - Particular requirements for high pressure cleaners and steam cleaners, for industrial and COmmercial use
    家用和类似用途电器的安全 工业和商用高压清洁器与蒸汽清洁器的特殊要求
    China National Standards
    CO

    English PDF
    GB 4706.88-2008 Safety of household and similar electrical appliances - Particular requirements for wet and dry vacuum cleaners,including power brush,for industrial and COmmercial use
    家用和类似用途电器的安全 工业和商用带动力刷的湿或干吸尘器的特殊要求
    China National Standards
    CO

    English PDF
    GB 4706.87-2008 Safety of household and similar electrical appliances - Particular requirements for spray extraction appliances,for industrial and COmmercial use
    家用和类似用途电器的安全 工业和商用喷雾抽吸器具的特殊要求
    China National Standards
    CO

    English PDF
    GB 4706.86-2008 Safety of household and similar electrical appliances - Particular requirements for floor treatment and floor cleaning machines,for industrial and COmmercial use
    家用和类似用途电器的安全 工业和商用地板处理机与地面清洗机的特殊要求
    China National Standards
    CO

    English PDF
    GB 21966-2008 Safety of primary and seCOndary lithium cells and batteries during transport
    锂原电池和蓄电池在运输中的安全要求
    China National Standards
    CO

    English PDF
    GB/T 7095.7-2008 Enamelled rectangular COpper winding wires - Part 7:Polyester enamelled rectangular copper wire, class 130
    漆包铜扁绕组线 第7部分:130级聚酯漆包铜扁线
    China National Standards
    CO

    English PDF
    GB/T 7095.6-2008 Enamelled rectangular COpper winding wires - Part 6: Polyester or polyesterimide overcoated with polyamide-imide enamelled rectangular copper wire, class 200
    漆包铜扁绕组线 第6部分:200级聚酯或聚酯亚胺/聚酰胺酰亚胺复合漆包铜扁线
    China National Standards
    CO

    English PDF
    GB/T 7095.5-2008 Enamelled rectangular COpper winding wires - Part 5:Aromatic polyimide enamelled rectangular copper wire, class 240
    漆包铜扁绕组线 第5部分:240级芳族聚酰亚胺漆包铜扁线
    China National Standards
    CO

    English PDF
    GB/T 7095.4-2008 Enamelled rectangular COpper winding wires - Part 4:Polyesterimide enamelled rectangular copper wire, class 180
    漆包铜扁绕组线 第4部分:180级聚酯亚胺漆包铜扁线
    China National Standards
    CO

    English PDF
    GB/T 7095.3-2008 Enamelled rectangular COpper winding wires - Part 3:Polyester enamelled rectangular copper wire, class 155
    漆包铜扁绕组线 第3部分:155级聚酯漆包铜扁线
    China National Standards
    CO

    English PDF
    GB/T 7095.2-2008 Enamelled rectangular COpper winding wires - Part 2:Polyvinyl acetal enamelled rectangular copper wire,class 120
    漆包铜扁绕组线 第2部分:120级缩醛漆包铜扁线
    China National Standards
    CO

    English PDF
    GB/T 7095.1-2008 Enamelled rectangular COpper winding wires - Part 1:General requirements
    漆包铜扁绕组线 第1部分:一般规定
    China National Standards
    CO

    English PDF
    GB/T 12665-2008 Requirements of damp-heat testing of electrical machine for service in general environmental COndition
    电机在一般环境条件下使用的湿热试验要求
    China National Standards
    CO

    English PDF
    GB/T 8168-2008 Testing method of static COmpression for packaging cushioning materials
    包装用缓冲材料静态压缩试验方法
    China National Standards
    CO

    English PDF
    GB/T 8097-2008 Equipment for harvesting - COmbine harvesters - Test procedure
    收获机械 联合收割机 试验方法
    China National Standards
    CO

    English PDF
    GB/T 21962-2008 Technical requirements for maize COmbine harvester
    玉米收获机械 技术条件
    China National Standards
    CO

    English PDF
    GB/T 21961-2008 Test methods for maize COmbine harvester
    玉米收获机械 试验方法
    China National Standards
    CO

    English PDF
    GB/T 4324.8-2008 Methods for chemical analysis of tungsten - Determination of nickel COntent - The inductively coupled plasma atomic emission spectrometry 、 flame atomic absorption spectrometry and dimethylglyoxime gravimetry
    钨化学分析方法 镍量的测定 电感耦合等离子体原子发射光谱法、火焰原子吸收光谱法和丁二酮肟重量法
    China National Standards
    CO

    English PDF
    GB/T 4324.15-2008 Methods for chemical analysis of tungsten - Determination of magnesium COntent - The flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry
    钨化学分析方法 镁量的测定 火焰原子吸收光谱法和电感耦合等离子体原子发射光谱法
    China National Standards
    CO

    English PDF
    GB/T 4324.13-2008 Methods for chemical analysis of tungsten - Determination of calcium COntent - The inductively coupled plasma atomic emission spectrometry
    钨化学分析方法 钙量的测定 电感耦合等离子体原子发射光谱法
    China National Standards
    CO

    English PDF
    GB/T 3651-2008 Measuring method for thermal COnductivity of metal at high temperature
    金属高温导热系数测量方法
    China National Standards
    CO

    English PDF
    GB/T 21994.8-2008 Chemical analysis of magnesium fluoride - Part 8: Determination of sulphate COntent - Barium sulphate gravimetric method
    氟化镁化学分析方法 第8部分:硫酸根含量的测定 硫酸钡重量法
    China National Standards
    CO

    English PDF
    GB/T 21994.7-2008 Chemical analysis of magnesium fluoride - Part 7: Determination of iron COntent - Orthophenantholine photometric method
    氟化镁化学分析方法 第7部分:三氧化二铁含量的测定 邻二氮杂菲分光光度法
    China National Standards
    CO

    English PDF
    GB/T 21994.6-2008 Chemical analysis of magnesium fluoride - Part 6: Determination of silica COntent - Molybdenum blue photometric method
    氟化镁化学分析方法 第6部分:二氧化硅含量的测定 钼蓝分光光度法
    China National Standards
    CO

    English PDF
    GB/T 21994.5-2008 Chemical analysis of magnesium fluoride - Part 5: Determiantion of calcium COntent - Method of flame atomic absorption spectrometry
    氟化镁化学分析方法 第5部分:钙含量的测定 火焰原子吸收光谱法
    China National Standards
    CO

    English PDF
    GB/T 21994.3-2008 Chemical analysis of magnesium fluoride - Part 3: Determination of fluoride COntent - Distillation-thorium nitrate titration volumetric method
    氟化镁化学分析方法 第3部分:氟含量的测定 蒸馏-硝酸钍容量法
    China National Standards
    CO

    English PDF
    GB/T 21994.2-2008 Chemical analysis of magnesium fluoride - Part 2: Determination of moisture COntent - Gravimetric method
    氟化镁化学分析方法 第2部分:湿存水含量的测定 重量法
    China National Standards
    CO

    English PDF
    GB/T 20975.25-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 25:Inductively COupled plasma atomic emission spectrometric method
    铝及铝合金化学分析方法 第25部分:电感耦合等离子体原子发射光谱法
    China National Standards
    CO

    English PDF
    GB/T 12967.6-2008 Test Methods for anodic oxidation COatings of aluminium and aluminium alloys - Part 6:Determination of color differences and appearance of colored anodic oxide films by viewing method
    铝及铝合金阳极氧化膜检测方法 第6部分:目视观察法检验着色阳极氧化膜色差和外观质量
    China National Standards
    CO

    English PDF
    GB/T 12967.3-2008 Test Methods for anodic oxidation COatings of aluminium and aluminium alloys - Part 3 : Copper accelerated acetic acid salt spray test(CASS test)
    铝及铝合金阳极氧化膜检测方法 第3部分:铜加速乙酸盐雾试验(CASS试验)
    China National Standards
    CO

    English PDF
    GB/T 12967.2-2008 Test Methods for anodic oxidation COatings of aluminium and aluminium alloys - Part 2: measurement of wear risistance and wear index of anodic oxidation coatings with an abrasive wheel wear test appaeratus
    铝及铝合金阳极氧化膜检测方法 第2部分:用轮式磨损试验仪测定阳极氧化膜的耐磨性和耐磨系数
    China National Standards
    CO

    English PDF
    GB/T 12967.1-2008 Test Methods for anodic oxidation COatings of aluminium and aluminium alloys - Part 1:Measurement of mean specific abrasion resistance of anodic oxidation coatings with an abrasive jet test Apparatus
    铝及铝合金阳极氧化膜检测方法 第1部分:用喷磨试验仪测定阳极氧化膜的平均耐磨性
    China National Standards
    CO

    English PDF
    GB/T 11066.5-2008 Methods for chemical analysis of gold - Determination of silver,COpper,iron,lead,antimony and bismuth contents - Atomic emission spectrometry
    金化学分析方法 银、铜、铁、铅、锑和铋量的测定 原子发射光谱法
    China National Standards
    CO

    English PDF
    GB/T 11066.4-2008 Methods for chemical analysis of gold - Determination of COpper, lead and bismuth contents - Flame atomic absorption spectrometry
    金化学分析方法 铜、铅和铋量的测定 火焰原子吸收光谱法
    China National Standards
    CO

    English PDF
    GB/T 11066.3-2008 Methods for chemical analysis of gold - Determination of iron COntent - Flame atomic absorption spectrometry
    金化学分析方法 铁量的测定 火焰原子吸收光谱法
    China National Standards
    CO

    English PDF
    GB/T 11066.2-2008 Methods for chemical analysis of gold - Determination of silver COntent - Flame atomic absorption spectrometry
    金化学分析方法 银量的测定 火焰原子吸收光谱法
    China National Standards
    CO

    English PDF
    GB/T 11066.1-2008 Methods for chemical analysis of gold - Determination of gold COntent - Fire assaying method
    金化学分析方法 金量的测定 火试金法
    China National Standards
    CO

    English PDF
    GB/T 9751.1-2008 Paints and varnishes - Determination of visCOsity using rotary viscometers - Part1:Cone-and-plate viscometer operated at a high rate of shear
    色漆和清漆 用旋转黏度计测定黏度 第1部分:以高剪切速率操作的锥板黏度计
    China National Standards
    CO

    English PDF
    GB/T 9267-2008 Emulsions for COatings and polymer dispersions for coatings and plastics - Determination of white point temperature and minimum film-forming temperature
    涂料用乳液和涂料、塑料用聚合物分散体 白点温度和最低成膜温度的测定
    China National Standards
    CO

    English PDF
    GB/T 8296-2008 Raw natural rubber and rubber latices - Determination of manganese COntent - Sodium periodate photmetric methods
    天然生胶和胶乳 锰含量的测定 高碘酸钠光度法
    China National Standards
    CO

    English PDF
    GB/T 8295-2008 Natural Rubber and latex - Determination of COpper content - Photometric method
    天然橡胶和胶乳 铜含量的测定 光度法
    China National Standards
    CO

    English PDF
    GB/T 8291-2008 Natural rubber latex COncentrate - Determination of coagulum content (sieve residue)
    浓缩天然胶乳 凝块含量(筛余物)的测定
    China National Standards
    CO

    English PDF
    GB/T 8290-2008 Natural rubber latex COncentrate - Sampling
    浓缩天然胶乳 取样
    China National Standards
    CO

    English PDF
    GB/T 7814-2008 Isopropyl alCOhol for industrial use
    工业用异丙醇
    China National Standards
    CO

    English PDF
    GB/T 6748-2008 AntiCOrrosive paint for ship
    船用防锈漆
    China National Standards
    CO

    English PDF
    GB/T 6324.5-2008 Test method of organic chemical products - Part 5: Determination of trace quantities of carbonyl COmpounds in organic chemicals
    有机化工产品试验方法 第5部分:有机化工产品中羰基化合物含量的测定
    China National Standards
    CO

    English PDF
    GB/T 3181-2008 COlour standard for paint film
    漆膜颜色标准
    China National Standards
    CO

    English PDF
    GB/T 21993-2008 Polyvinyl chloride resins - Determination of the COntent of methanol or ethanol extract
    聚氯乙烯树脂 甲醇或乙醇萃取物含量的测定
    China National Standards
    CO

    English PDF
    GB/T 21989-2008 Plastics - Poly(vinyl chloride)pastes - Determination of apparent visCOsity using the severs rheometer
    塑料 聚氯乙烯糊 用Severs流变仪测定表观黏度
    China National Standards
    CO

    English PDF
    GB/T 21988-2008 Plastics-Vinyl chloride homopolymer and COpolymer resins-Sieve analysis in water
    塑料 氯乙烯均聚和共聚树脂 水中筛分析
    China National Standards
    CO

    English PDF
    GB/T 1766-2008 Paints and varnishes - Rating schemes of degradation of COats
    色漆和清漆 涂层老化的评级方法
    China National Standards
    CO

    English PDF
    GB/T 16881-2008 COagulation-Deposition jar test of water
    水的混凝、沉淀试杯试验方法
    China National Standards
    CO

    English PDF
    GB/T 14832-2008 Test methods for COmpatibility between hydraulic fluids and standard elastomeric materials
    标准弹性体材料与液压液体的相容性试验
    China National Standards
    CO

    English PDF
    GB/T 13893-2008 Paints and varnishes - Determination of resistnace to humidity - COntinuous condensation
    色漆和清漆 耐湿性的测定 连续冷凝法
    China National Standards
    CO

    English PDF
    GB/T 13248-2008 Rubber and rubber latices - Determination of manganese COntent - Sodium periodate photometric methodes
    橡胶和胶乳 锰含量的测定 高碘酸钠光度法
    China National Standards
    CO

    English PDF
    GB/T 11501-2008 Photography - Density Measurement - Part 3:Spectral COnditions
    摄影 密度测量 第3部分:光谱条件
    China National Standards
    CO

    English PDF
    GB/T 9258.2-2008 COated abrasives - Grain size analysis - Part 2: Determination of grain size distribution of macrogrits P12 to P220
    涂附磨具用磨料 粒度分析 第2部分:粗磨粒P12~P220粒度组成的测定
    China National Standards
    CO

    English PDF
    GB/T 725-2008 Internal COmbustion engines - Nomenclature and code of designations
    内燃机产品名称和型号编制规则
    China National Standards
    CO

    English PDF
    GB/T 7121.1-2008 The strength testing method and accepting COnditions of the rear-mounted protective structures on wheeled agricultural and forestry tractors - Part 1: Static testing method of rear mounted ROPS
    农林轮式拖拉机防护装置强度试验方法和验收条件 第1部分:后置式静态试验方法
    China National Standards
    CO

    English PDF
    GB/T 5862-2008 Agricultural tractors and machinery - General purpose quick-action hydraulic COuplers
    农业拖拉机和机具 通用液压快换接头
    China National Standards
    CO

    English PDF
    GB/T 5262-2008 Agricultural machinery testing COnditions-general rules for measuring methods
    农业机械 试验条件测定方法的一般规定
    China National Standards
    CO

    English PDF
    GB/T 2480-2008 COnventional abrasive - Silicon carbide
    普通磨料 碳化硅
    China National Standards
    CO

    English PDF
    GB/T 2479-2008 COnventional abrasive - White fused alumina
    普通磨料 白刚玉
    China National Standards
    CO

    English PDF
    GB/T 2478-2008 COnventional abrasive - Brown fused alumina
    普通磨料 棕刚玉
    China National Standards
    CO

    English PDF
    GB/T 21960-2008 The testing method and accepting COndition of the driver’s seat on agricultural and forestry tractors
    农林拖拉机驾驶座试验方法和验收条件
    China National Standards
    CO

    English PDF
    GB/T 21959-2008 Tractor-trailer COmbination - Specifications
    拖拉机运输机组 技术条件
    China National Standards
    CO

    English PDF
    GB/T 21956.3-2008 The strength testing method and accepting COndition of protective structures on narrow-track wheeled agricultural and forestry tractors - Part 3:Static testing method of rear mounted ROPS
    农林窄轮距轮式拖拉机防护装置强度试验方法和验收条件 第3部分:后置式静态试验方法
    China National Standards
    CO

    English PDF
    GB/T 21956.2-2008 The strength testing method and accepting COndition of protective structures on narrow-track wheeled agricultural and forestry tractors - Part 2:Dynamic testing method of front mounted ROPS
    农林窄轮距轮式拖拉机防护装置强度试验方法和验收条件 第2部分:前置式动态试验方法
    China National Standards
    CO

    English PDF
    GB/T 21956.1-2008 The strength testing method and accepting COndition of protective structures on narrow-track wheeled agricultural and forestry tractors - Part 1:Static testing method of front mounted ROPS
    农林窄轮距轮式拖拉机防护装置强度试验方法和验收条件 第1部分:前置式静态试验方法
    China National Standards
    CO

    English PDF
    GB/T 21953-2008 Single point cutting tool - COrner radii
    单刃刀具 刀尖圆弧半径
    China National Standards
    CO

    English PDF
    GB/T 21948.2-2008 Test COnditions for CNC milling machines with table of variable height - Testing of accuracy - Part 2: Machines with vertical spindle
    数控升降台铣床检验条件 精度检验 第2部分:立式铣床
    China National Standards
    CO

    English PDF
    GB/T 21948.1-2008 Test COnditions for CNC milling machines with table of variable height - Testing of accuracy - Part 1: Machines with horizontal spindle
    数控升降台铣床检验条件 精度检验 第1部分:卧式铣床
    China National Standards
    CO

    English PDF
    GB/T 21946-2008 Numerical COntrol gear shaving machines - Testing of the accuracy
    数控剃齿机 精度检验
    China National Standards
    CO

    English PDF
    GB/T 21945-2008 Numerical COntrol sector gear shaping machines - Testing of the accuracy
    数控扇形齿轮插齿机 精度检验
    China National Standards
    CO

    English PDF
    GB/T 21944.3-2008 Special products of siliCOn carbide - Kiln furniture of reaction bonded silicon carbide - Part 3:Rollers
    碳化硅特种制品 反应烧结碳化硅窑具 第3部分:辊棒
    China National Standards
    CO

    English PDF
    GB/T 21944.1-2008 Special products of siliCOn carbide - Kiln furniture of reaction bonded silicon carbide - Part 1:Beam
    碳化硅特种制品 反应烧结碳化硅窑具 第1部分:方梁
    China National Standards
    CO

    English PDF
    GB/T 21938-2008 Earth-moving machinery - Hydraulic excavator and backhoe loader boom-lowering COntrol device - Requirements and tests
    土方机械 液压挖掘机和挖掘装载机动臂下降控制装置 要求和试验
    China National Standards
    CO

    English PDF
    GB/T 21935-2008 Earth-moving machinery - Zones of COmfort and reach for controls
    土方机械 操纵的舒适区域与可及范围
    China National Standards
    CO

    English PDF
    GB/T 15306.4-2008 Indexable inserts for cutting tools - Ceramic inserts with rounded COrners - Part 4:Specifications
    陶瓷可转位刀片 第4部分:技术条件
    China National Standards
    CO

    English PDF
    GB/T 15306.3-2008 Indexable inserts for cutting tools - Ceramic inserts with rounded COrners - Part 3: Dimensions of inserts without fixing hole(Class U)
    陶瓷可转位刀片 第3部分:无孔刀片尺寸(U级)
    China National Standards
    CO

    English PDF

    Find out:21489Items   |  To Page of: First -Previous-Next -Last  | [156] [157] [158] [159] [160] [161] [162]

     

    +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