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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 "La" GB Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 38344-2019 Retesting guideline for Laminated solar photovoltaic glass for use in building
    建筑用太阳能光伏夹层玻璃的重测导则    		 China National Standards
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    GB/T 38340-2019 Small craft—Reciprocating internal combustion engines exhaust emission measurement—Test-bed measurement of gaseous and particuLate exhaust emissions
    小艇 往复式内燃机排放测量 气体和颗粒排放物的试验台测量    		 China National Standards
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    GB/T 38265.16-2019 Test methods for soft soldering fluxes—Part 16:Flux efficacy test—Wetting baLance method
    软钎剂试验方法 第16部分：软钎剂润湿性能 润湿平衡法    		 China National Standards
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    GB/T 21896-2019 2-NaphthyLamine-1，5-disulfonic acid （sulphonic Tobias acid ）
    2-萘胺-1，5-二磺酸（磺化吐氏酸）    		 China National Standards
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    GB/T 18442.6-2019 Static vacuum insuLated cryogenic pressure vessels—Part 6：Safety protection
    固定式真空绝热深冷压力容器 第6部分：安全防护    		 China National Standards
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    GB/T 18442.5-2019 Static vacuum insuLated cryogenic pressure vessels—Part 5：Inspection and testing
    固定式真空绝热深冷压力容器 第5部分：检验与试验    		 China National Standards
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    GB/T 18319-2019 Textiles—Test method for soLar heat storage property
    纺织品 光蓄热性能试验方法    		 China National Standards
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    GB/T 17634-2019 Geotextiles and geotextile-reLated products—Determination of the characteristic opening size—Wet sieving method
    土工布及其有关产品 有效孔径的测定 湿筛法    		 China National Standards
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    GB/T 16702-2019 Design code for mechanical components in nuclear isLand of pressurized water reactor nuclear power plants
    压水堆核电厂核岛机械设备设计规范    		 China National Standards
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    GB/T 15076.2-2019 Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled pLasma atomic emission spectrometry and stratography gravimetry
    钽铌化学分析方法 第2部分:钽中铌量的测定 电感耦合等离子体原子发射光谱法和色层分离重量法    		 China National Standards
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    GB/T 13747.7-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 7：Determination of manganese content—Patassium periodate spectrometry and inductively coupled pLasma atomic emission spectrometry
    锆及锆合金化学分析方法 第7部分：锰量的测定 高碘酸钾分光光度法和电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 13747.2-2019 Methods for chemical analysis of zirconium and zirconium alloys—Part 2：Determination of iron content—1,10-phenanthroline spectrophotometry and inductively coupled pLasma atomic emission spectrometry
    锆及锆合金化学分析方法 第2部分：铁量的测定 1,10-二氮杂菲分光光度法和电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 8647.11-2019 Methods for chemical analysis of nickel－Part 11：Determination of magnesium，aluminum，manganese，cobalt，copper，zinc，cadmium，tin，antimony，lead，bismuth contents－Inductively coupled pLasma mass spectrometry
    镍化学分析方法 第11部分:镁、铝、锰、钴、铜、锌、镉、锡、锑、铅、铋含量的测定 电感耦合等离子体质谱法    		 China National Standards
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    GB/T 7739.2-2019 Methods for chemical analysis of gold concentrates—Part 2:Determination of silver content—FLame atomic absorption spectrometric method
    金精矿化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法    		 China National Standards
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    GB/T 3836.25-2019 Explosive atmospheres—Part 25：Requirements for process sealing between fLammable process fluids and electrical systems
    爆炸性环境 第25部分：可燃性工艺流体与电气系统之间的工艺密封要求    		 China National Standards
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    GB/T 3836.17-2019 Explosive atmospheres—Part 17: Equipment protection by pressurized room “p”and artifically ventiLated room “v”
    爆炸性环境 第17部分：由正压房间“p”和人工通风房间“v”保护的设备    		 China National Standards
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    GB/T 12009.5-2016 (PLastics - Aromatic isocyanates for the production of polyurethane - Part 5: Determination of acidity - amendment No. 1)
    塑料 聚氨酯生产用芳香族异氰酸酯 第5部分：酸度的测定《第1号修改单》    		 China National Standards
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    GB/T 38343-2019 Technical specification for fLange joints installation
    法兰接头安装技术规定    		 China National Standards
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    GB/T 38334-2019 Technical specification for bLack-start of hydropower station
    水电站黑启动技术规范    		 China National Standards
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    GB/T 38327-2019 Health informatics—CLassification of traditional Chinese medicine data sets
    健康信息学 中医药数据集分类    		 China National Standards
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    GB/T 38324-2019 Health informatics—Semantic network framework of traditional Chinese medicine Language system
    健康信息学 中医药学语言系统语义网络框架    		 China National Standards
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    GB/T 38322-2019 Information technology—Information device interconnection—Interface requirements between third-party smart home electric system and general terminal access service pLatform
    信息技术 信息设备互连 第三方智能家用电子系统与终端统一接入服务平台接口要求    		 China National Standards
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    GB/T 38321-2019 Digital technique application of building and residence community—Home network information pLatform
    建筑及居住区数字化技术应用 家庭网络信息化平台    		 China National Standards
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    GB/T 38320-2019 Information technology—Information device interconnection—Interface requirements between smart home electric system terminals and general terminal access service pLatform
    信息技术 信息设备互连 智能家用电子系统终端设备与终端统一接入服务平台接口要求    		 China National Standards
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    GB/T 38315-2019 Guidelines for preparation and implementation of fire fighting and emergency evacuation pLans for workplaces
    社会单位灭火和应急疏散预案编制及实施导则    		 China National Standards
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    GB/T 38312-2019 Code for mooring and sea trials of Large yachts
    大型游艇系泊、航行试验规程    		 China National Standards
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    GB/T 38296-2019 Limits for lead, cadmium, hexavalent chromium, mercury in pLastic materials
    塑料材料中铅、镉、六价铬、汞限量    		 China National Standards
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    GB/T 38301-2019 Determination of limiting oxygen concentration (LOC) of fLammable gases and vapours
    可燃气体或蒸气极限氧浓度测定方法    		 China National Standards
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    GB/T 38295-2019 Limits for lead, cadmium, hexavalent chromium, mercury in pLastic materials
    塑料材料中铅、镉、六价铬、汞限量    		 China National Standards
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    GB/T 38292-2019 Determination of mercury in pLastic materials
    塑料材料中汞含量的测定    		 China National Standards
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    GB/T 38291-2019 Determination of lead in pLastic materials
    塑料材料中铅含量的测定    		 China National Standards
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    GB/T 38290-2019 Determination of cadmium in pLastic materials
    塑料材料中镉含量的测定    		 China National Standards
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    GB/T 38289-2019 CLassification and basic requirement for operational safety information of town gas facility
    城市燃气设施运行安全信息分类与基本要求    		 China National Standards
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    GB/T 38288-2019 PLastics—Recycled polypropylene compound
    塑料 聚丙烯再生改性专用料    		 China National Standards
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    GB/T 38287-2019 Determination of hexavalent chromium in pLastic materials
    塑料材料中六价铬含量的测定    		 China National Standards
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    GB/T 38281.1-2019 Indicator light units for household and simiLar fixed-electrical installations—Part 1: General requirements
    家用和类似用途固定式电气装置的指示灯装置 第1部分:通用要求    		 China National Standards
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    GB/T 38277-2019 Brittle crack arrest high strength steel pLate for ship
    船用高强度止裂钢板    		 China National Standards
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    GB/T 38273.1-2019 PLastics—Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion—Part 1:Designation system and basis for specification
    塑料 热塑性聚酯/酯和聚醚/酯模塑和挤塑弹性体 第1部分：命名系统和分类基础    		 China National Standards
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    GB/T 38271-2019 PLastics—Determination of residual styrene monomer in polystyrene (PS) and impact-resistant polystyrene (PS-I)—Gas chromatography
    塑料 聚苯乙烯(PS)和抗冲击聚苯乙烯（PS-I）中残留苯乙烯单体含量的测定 气相色谱法    		 China National Standards
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    GB/T 38265.1-2019 Test methods for soft soldering fluxes—Part 1:Determination of non-voLatile matter—Gravimetric method
    软钎剂试验方法 第1部分：不挥发物质含量的测定 重量法    		 China National Standards
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    GB/T 38264-2019 CLassification and test method of resistance against impact for curtain wall
    建筑幕墙耐撞击性能分级及检测方法    		 China National Standards
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    GB/T 38261-2019 Nanotechnology—Determination of silver contents in biological samples—Inductively coupled pLasma mass spectrometry
    纳米技术 生物样品中银含量测量 电感耦合等离子体质谱法    		 China National Standards
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    GB/T 38259-2019 Information technology—General specification for virtual reality head mounted dispLay device
    信息技术 虚拟现实头戴式显示设备通用规范    		 China National Standards
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    GB/T 38257-2019 Laser-induced breakdown spectroscopy
    激光诱导击穿光谱法    		 China National Standards
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    GB/T 38254-2019 Automatic control device for fire aLarm receiving and dispatching system
    火警受理联动控制装置    		 China National Standards
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    GB/T 38143-2019 Alkali-resistant gLass fibres for cement concrete and morta
    水泥混凝土和砂浆用耐碱玻璃纤维    		 China National Standards
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    GB/T 37188.3-2019 PLastics—Acquisition and presentation of comparable multipoint data—Part 3:Environmental influences on properties
    塑料 可比多点数据的获得和表示 第3部分：环境对性能的影响    		 China National Standards
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    GB/T 37188.1-2019 PLastics—Acquisition and presentation of comparable multipoint data—Part 1: Mechanical properties
    塑料 可比多点数据的获得和表示 第1部分：机械性能    		 China National Standards
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    GB/T 28043-2019 Statistical methods for use in proficiency testing by interLaboratory comparison
    利用实验室间比对进行能力验证的统计方法    		 China National Standards
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    GB/T 27025-2019 General requirements for the competence of testing and calibration Laboratories
    检测和校准实验室能力的通用要求    		 China National Standards
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    GB/T 26218.4-2019 Selection and dimensioning of high-voltage insuLators intended for use in polluted conditions—Part 4: Insulators for d.c. systems
    污秽条件下使用的高压绝缘子的选择和尺寸确定 第4部分：直流系统用绝缘子    		 China National Standards
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    GB/T 25318-2019 Locking devices for ball and socket couplings of string insuLator units—Dimensions and tests
    绝缘子串元件球窝联接用锁紧销 尺寸和试验    		 China National Standards
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    GB/T 23711.7-2019 Test method for pressure vessels lined with pLastics—Part 7:Leakage testing
    塑料衬里压力容器试验方法 第7部分：泄漏试验    		 China National Standards
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    GB/T 23711.6-2019 Test method for pressure vessels lined with pLastics—Part 6:Anti pressure testing
    塑料衬里压力容器试验方法 第6部分：耐压试验    		 China National Standards
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    GB/T 23711.5-2019 Test method for pressure vessels lined with pLastics—Part 5:Cold-hot cycling inspection
    塑料衬里压力容器试验方法 第5部分：冷热循环检验    		 China National Standards
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    GB/T 23711.4-2019 Test method for pressure vessels lined with pLastics—Part 4:Negative pressure inspection
    塑料衬里压力容器试验方法 第4部分：耐负压检验    		 China National Standards
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    GB/T 23711.3-2019 Test method for pressure vessels lined with pLastics—Part 3:High-temperature inspection
    塑料衬里压力容器试验方法 第3部分：耐高温检验    		 China National Standards
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    GB/T 23711.2-2019 Test method for pressure vessels lined with pLastics—Part 2:Low-temperature testing
    塑料衬里压力容器试验方法 第2部分：耐低温试验    		 China National Standards
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    GB/T 22079-2019 HV polymeric insuLators for indoor and outdoor use—General definitions ,test methods and acceptance criteria
    户内和户外用高压聚合物绝缘子 一般定义、试验方法和接收准则    		 China National Standards
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    GB/T 20899.2-2019 Methods for chemical analysis of gold ores一Part 2:Determination of silver content 一FLame atomic absorption spectrometric method
    金矿石化学分析方法 第2部分：银量的测定 火焰原子吸收光谱法    		 China National Standards
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    GB/T 19666-2019 General rules for fLame retardant and fire resistant electric wires and cables or optical fiber cables
    阻燃和耐火电线电缆或光缆通则    		 China National Standards
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    GB/T 18802.351-2019 Components for low-voltage surge protective devices－Part 351:Performance requirements and test methods for telecommunications and signalling network surge isoLation transformers (SIT)
    低压电涌保护器元件 第351部分：电信和信号网络的电涌隔离变压器（SIT）的性能要求和试验方法    		 China National Standards
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    GB/T 18442.4-2019 Static vacuum insuLated cryogenic pressure vessels—Part 4：Fabrication
    固定式真空绝热深冷压力容器 第4部分：制造    		 China National Standards
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    GB/T 18442.3-2019 Static vacuum insuLated cryogenic pressure vessels—Part 3：Design
    固定式真空绝热深冷压力容器 第3部分：设计    		 China National Standards
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    GB/T 18442.2-2019 Static vacuum insuLated cryogenic pressure vessels—Part 2:Materials
    固定式真空绝热深冷压力容器 第2部分:材料    		 China National Standards
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    GB/T 18442.1-2019 Static vacuum insuLated cryogenic pressure vessels—Part 1:General requirements
    固定式真空绝热深冷压力容器 第1部分:总则    		 China National Standards
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    GB/T 17783-2019 Rubber,vulcanized or thermopLastic—Chemical tests—Preparation of samples and test piece
    硫化橡胶或热塑性橡胶 化学试验 样品和试样的制备    		 China National Standards
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    GB/T 17693.12-2019 Transformation guidelines of geographical names from foreign Languages into Chinese—Part 12: Laotian
    外语地名汉字译写导则 第12部分:老挝语    		 China National Standards
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    GB/T 17693.10-2019 Transformation guidelines of geographical names from foreign Languages into Chinese—Part 10: Japanese
    外语地名汉字译写导则 第10部分：日语    		 China National Standards
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    GB/T 17466.1-2019 Boxes and enclosures for electrical accessories for household and simiLar fixed electrical installations—Part 1:General requirements
    家用和类似用途固定式电气装置的电器附件安装盒和外壳 第1部分:通用要求    		 China National Standards
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    GB/T 16915.4-2019 Switches for household and simiLar fixed-electrical installations—Part 2-3: Particular requirements for time delay switches (TDS)
    家用和类似用途固定式电气装置的开关 第2-3部分:延时开关(TDS)的特殊要求    		 China National Standards
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    GB/T 16915.3-2019 Switches for household and simiLar fixed-electrical installations—Part 2-2: Particular requirements for electromagnetic remote-control switches (RCS)
    家用和类似用途固定式电气装置的开关 第2-2部分:电磁遥控开关(RCS)的特殊要求    		 China National Standards
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    GB/T 16422.1-2019 PLastics—Methods of exposure to laboratory light sources—Part 1:General guidance
    塑料 实验室光源暴露试验方法 第1部分：总则    		 China National Standards
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    GB/T 15000.4-2019 Directives for the work of reference materials—Part 4：Contents of certificates,Labels and accompanying documentation
    标准样品工作导则 第4部分：证书、标签和附带文件的内容    		 China National Standards
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    GB/T 7991.7-2019 Test method of viterous and porceLain enamels—Part 7：Determination of coefficient of mean lincar thermal expansion
    搪玻璃层试验方法 第7部分：平均线热膨胀系数的测定    		 China National Standards
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    GB/T 7991.4-2019 Test method of viterous and porceLain enamels—Part 4：Determination of resistance to impact
    搪玻璃层试验方法 第4部分：耐机械冲击性能的测定    		 China National Standards
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    GB/T 7755.2-2019 Rubber, vulcanized or thermopLastic—Determination of permeability to gases—Part 2: Equal-pressure methods
    硫化橡胶或热塑性橡胶 透气性的测定 第2部分：等压法    		 China National Standards
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    GB/T 7253-2019 InsuLators for overhead lines with a nominal voltage above 1 000V—Ceramic or glass insulator units for a.c.systems—Characteristics of insulator units of the cap and pin type
    标称电压高于1000V的架空线路绝缘子 交流系统用瓷或玻璃绝缘子元件 盘形悬式绝缘子元件的特性    		 China National Standards
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    GB/T 4797.4-2019 CLassification of environmental conditions—Environmental conditions appearing in nature—Solar radiation and temperature
    环境条件分类 自然环境条件 太阳辐射与温度    		 China National Standards
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    GB/T 4056-2019 Dimensions of ball and socket couplings of string insuLator units
    绝缘子串元件的球窝联接尺寸    		 China National Standards
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    GB/T 1685.2-2019 Rubber, vulcanized or thermopLastic—Determination of stress relaxation in compression—Part 2: Testing with temperature cycling
    硫化橡胶或热塑性橡胶 压缩应力松弛的测定 第2部分：循环温度下试验    		 China National Standards
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    GB 18296-2019 Safety property requirements and test methods for automobile fuel tank and its instalLation
    汽车燃油箱及其安装的安全性能要求和试验方法    		 China National Standards
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    GB 7300.401-2019 Feed additives—Part 4：Enzymes—XyLanase
    饲料添加剂 第4部分：酶制剂 木聚糖酶    		 China National Standards
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    GB 7300.301-2019 Feed additives—Part 3：Minerals and their complexes (or cheLates)—Potassium iodide
    饲料添加剂 第3部分：矿物元素及其络(螯)合物 碘化钾    		 China National Standards
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    GB 7300.202-2019 Feed additives－Part 2：Vitamins, provitamins and chemically well-defined substances having simiLar effect－Vitamin D3 oily form
    饲料添加剂 第2部分：维生素及类维生素 维生素D3油    		 China National Standards
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    GB 7300.201-2019 Feed additives—Part 2：Vitamins,provitamins and chemically well-defined substances having simiLar effect—L-Ascorbyl-2-phosphate
    饲料添加剂 第2部分：维生素及类维生素 L-抗坏血酸-2-磷酸酯盐    		 China National Standards
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    GB 4793.4-2019 Safety requirements for electrical equipment for measurement,control and Laboratory use—Part 4: Particular requirements for sterilizers and washer-disinfectors used to treat medical materials
    测量、控制和实验室用电气设备的安全要求 第4部分：用于处理医用材料的灭菌器和清洗消毒器的特殊要求    		 China National Standards
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    GB 4785-2019 Prescription for instalLation of the external lighting and light-signalling devices for motor vehicles and their trailers
    汽车及挂车外部照明和光信号装置的安装规定    		 China National Standards
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    GB 38262-2019 FLammability of interior materials for buses
    客车内饰材料的燃烧特性    		 China National Standards
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    GB 30526-2019 The norm of energy consumptions for unit product of sintering wall materials and celluLar glass
    烧结墙体材料和泡沫玻璃单位产品能源消耗限额    		 China National Standards
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    GB 13851-2019 Traffic safety signs on inLand waterways
    内河交通安全标志    		 China National Standards
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    GB 4234.4-2019 ImpLants for surgery—Metallic materials—Part 4: Cobalt-chromium-molybdenum casting alloy
    外科植入物 金属材料 第4部分：铸造钴-铬-钼合金    		 China National Standards
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    GB/T 50558-2019 Standard for design of environmental protection facilities of cement pLant
    水泥工厂环境保护设施设计标准    		 China National Standards
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    GB/T 50543-2019 Standard for design of energy conservation of building and sanitary ceramic pLant
    建筑卫生陶瓷工厂节能设计标准    		 China National Standards
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    GB/T 50527-2019 Standard for design of energy conservation of fLat glass plant
    平板玻璃工厂节能设计标准    		 China National Standards
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    GB 50229-2019 Standard for design of fire protection for fossil fuel power pLants and substations
    火力发电厂与变电站设计防火标准    		 China National Standards
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    GB 38262-2019 FLammability of interior materials for buses
    客车内饰材料的燃烧特性    		 China National Standards
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    GB 30526-2019 The norm of energy consumptions for unit product of sintering wall materials and celluLar glass
    烧结墙体材料和泡沫玻璃单位产品能源消耗限额    		 China National Standards
    La
    English PDF
    GB 21340-2019 The norm of energy consumption per unit products for gLass products and cast stone
    玻璃和铸石单位产品能源消耗限额    		 China National Standards
    La
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    GB 13851-2019 Traffic safety signs on inLand waterways
    内河交通安全标志    		 China National Standards
    La
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