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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 "W" GB Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 39141.1-2020 Mineral and sapphire Watch-glasses—Part 1：Dimensions and tolerances
    无机和蓝宝石手表玻璃 第1部分：尺寸和公差    		 China National Standards
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    GB/T 39142.1-2020 Specification of plastic-steel bilayer self-lubricating materials—Part 1：Running-in layer With modified PTFE tape
    塑料－钢背二层粘接复合自润滑板材技术条件 第1部分：带改性聚四氟乙烯（PTFE）减摩层的板材    		 China National Standards
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    GB/T 39162-2020 Guidlines for circular economy practical technologies in thermal poWer industry（coal-fired power generation company）
    火电行业（燃煤发电企业）循环经济实践技术指南    		 China National Standards
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    GB/T 39165-2020 Test method of peel and chisel for resistance spot and projection Welds
    电阻点焊及凸焊接头的剥离和凿离试验方法    		 China National Standards
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    GB/T 39166-2020 Test method of mechanized peel for resistance spot, projection and seam Welds
    电阻点焊、凸焊及缝焊接头的机械剥离试验方法    		 China National Standards
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    GB/T 39167-2020 Test method of tensile shear for resistance spot and embossed projection Welds
    电阻点焊及凸焊接头的拉伸剪切试验方法    		 China National Standards
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    GB/T 39169-2020 Blanks for diamond circular saW blade—Mounting and fixing bores—Building construction and civil engineering
    金刚石圆锯片基体 安装和固定孔 建筑施工和土木工程    		 China National Standards
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    GB/T 39171-2020 Technical specification for Waste plastics recycling
    废塑料回收技术规范    		 China National Standards
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    GB/T 39182-2020 Installation specifications for household and similar heat pump Water heater
    家用和类似用途热泵热水器安装规范    		 China National Standards
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    GB/T 39184-2020 Code of practice for installation and commissioning of ROV launch and recovery system/umbilical Winch
    ROV收放装置/脐带绞车安装与调试规程    		 China National Standards
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    GB/T 39186-2020 Calculation methods of Water saved by projects for iron and steel industry
    钢铁行业项目节水量计算方法    		 China National Standards
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    GB/T 39187-2020 Jack up conductor/bloW out preventer tension compensation system
    自升式平台隔水管/防喷器张力补偿系统    		 China National Standards
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    GB/T 39196-2020 Technical specification for Waste glass recycling
    废玻璃回收技术规范    		 China National Standards
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    GB/T 39197-2020 Principle and requirement for material floW data collection of general solid waste
    一般固体废物物质流数据采集原则和要求    		 China National Standards
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    GB/T 39198-2020 Classification and code for general solid Waste
    一般固体废物分类与代码    		 China National Standards
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    GB/T 39200-2020 Guide for circular economy evaluating—Thermal poWer industry
    循环经济评价 火电行业    		 China National Standards
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    GB/T 39205-2020 Information security technology—Light-Weight authentication and access control mechanism
    信息安全技术 轻量级鉴别与访问控制机制    		 China National Standards
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    GB/T 39209-2020 Offshore platform rig heave compensating draWworks
    海洋平台钻井升沉补偿绞车    		 China National Standards
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    GB/T 39211-2020 Testing method of phased array technology for ship steel Weld
    船舶钢焊缝超声相控阵检测方法    		 China National Standards
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    GB/T 39215-2020 Ships and marine technology—Offshore Wind energy—Supply chain information flow
    船舶和海上技术 海上风能 供应链信息流    		 China National Standards
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    GB/T 39219-2020 Design guides for post-treatment of desalinated seaWater
    海水淡化水后处理设计指南    		 China National Standards
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    GB/T 39221-2020 Determination for performance of scale inhibitors for reverse osmosis seaWater desalination—Recurrent condensation cycle test method
    反渗透海水淡化阻垢剂阻垢性能试验 周期浓缩循环法    		 China National Standards
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    GB/T 39222-2020 Design guidelines for multiple effect distillation seaWater desalination system
    多效蒸馏海水淡化系统设计指南    		 China National Standards
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    GB/T 39194-2020 Technical requirement of heat treatment for vacuum loW pressure carburizing high pressure gas quenching
    真空低压渗碳高压气淬热处理技术要求    		 China National Standards
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    GB/T 10573-2020 Tensile testing method for fine Wire of nonferrous metals
    有色金属细丝拉伸试验方法    		 China National Standards
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    GB/T 11094-2020 Gallium arsenide single crystal and cutting Wafer grown by horizontal bridgman method
    水平法砷化镓单晶及切割片    		 China National Standards
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    GB/T 8151.22-2020 Methods for chemical analysis of zinc concentrates—Part 22: Determination of zinc, copper, lead,iron,aluminium ,calcium and magnesium contents—Wavelength dispersive X-ray fluorescence spectrometric method
    锌精矿化学分析方法 第22部分：锌、铜、铅、铁、铝、钙和镁含量的测定 波长色散X射线荧光光谱法    		 China National Standards
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    GB/T 4423-2020 Copper and copper alloy cold-draWn rod and bar
    铜及铜合金拉制棒    		 China National Standards
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    GB/T 39096-2020 Petroleum and natural gas industries—Aluminium alloy pipe for use as tubing for Wells
    石油天然气工业 油气井油管用铝合金管    		 China National Standards
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    GB/T 39097-2020 Technical requirements for deepWater positioning and mooring system
    深水定位系泊系统技术要求    		 China National Standards
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    GB/T 39091-2020 Guidelines for industrial Waste heat comprehensive cascade utilization
    工业余热梯级综合利用导则    		 China National Standards
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    GB/T 39078.1-2020 Safety requirements for escalators and moving Walks—Part 1: Essential safety requirements
    自动扶梯和自动人行道安全要求 第1部分：基本安全要求    		 China National Standards
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    GB/T 39087-2020 Health informatics—Health informatics profiling frameWork
    健康信息学 健康信息学特征描述框架    		 China National Standards
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    GB/T 29639-2020 Guidelines for enterprises to develop emergency response plan for Work place accidents
    生产经营单位生产安全事故应急预案编制导则    		 China National Standards
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    GB/T 24474.2-2020 Measurement of ride quality—Part 2: Escalators and moving Walks
    乘运质量测量 第2部分：自动扶梯和自动人行道    		 China National Standards
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    GB/T 25117-2020 RailWay applications—Rolling stock—Combined test method for traction systems
    轨道交通 机车车辆 牵引系统组合试验方法    		 China National Standards
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    GB/T 24242.1-2020 Non-alloy steel Wire rod for conversion to wire—Part 1：General requirements
    制丝用非合金钢盘条 第1部分：一般要求    		 China National Standards
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    GB/T 24242.2-2020 Non-alloy steel Wire rod for conversion to wire —Part 2：Specific requirements for general purpose wire rod
    制丝用非合金钢盘条 第2部分:一般用途盘条    		 China National Standards
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    GB/T 24242.4-2020 Non-alloy steel Wire rod for conversion to wire —Part 4：Specific requirements for special purpose wire rod
    制丝用非合金钢盘条 第4部分：特殊用途盘条    		 China National Standards
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    GB/T 20818.12-2020 Industrial-process measurement and control—Data structures and elements in process equipment catalogues—Part 12：Lists of properties (LOPs) for floW measuring equipment for electronic data exchange
    工业过程测量和控制 过程设备目录中的数据结构和元素 第12部分：流量测量设备电子数据交换用属性列表（LOPs）    		 China National Standards
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    GB/T 14048.2-2020 LoW-voltage switchgear and controlgear—Part 2: Circuit-breakers
    低压开关设备和控制设备 第2部分：断路器    		 China National Standards
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    GB/T 14048.4-2020 LoW-voltage switchgear and controlgear—Part 4-1: Contactors and motor-starters—Electromechanical contactors and motor-starters (Including motor protector)
    低压开关设备和控制设备 第4-1部分：接触器和电动机起动器 机电式接触器和电动机起动器（含电动机保护器）    		 China National Standards
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    GB/T 11062-2020 Natural gas—Calculation of calorific values, density, relative density and Wobbe indices from composition
    天然气 发热量、密度、相对密度和沃泊指数的计算方法    		 China National Standards
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    GB/T 5915-2020 Formula feeds for piglets and groWing-finishing pigs
    仔猪、生长育肥猪配合饲料    		 China National Standards
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    GB/T 3082-2020 Galvanized or zinc-aluminum alloy-coated loW-carbon steel wire for armoured cables
    铠装电缆用热镀锌及锌铝合金镀层低碳钢丝    		 China National Standards
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    GB/T 39072-2020 Regulation for artificial bed-log production of plastic bag cultured White jelly fungus
    袋栽银耳菌棒生产规范    		 China National Standards
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    GB 9706.206-2020 Medical electrical equipment—Part 2-6: Particular requirments for the basic safety and essential performence of microWave therapy equipment
    医用电气设备　第2-6部分：微波治疗设备的基本安全和基本性能专用要求    		 China National Standards
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    GB 15892-2020 Polyaluminium chloride for treatment of drinking Water
    生活饮用水用聚氯化铝    		 China National Standards
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    GB 20653-2020 Protective clothing—High visibility Warning clothing for professional use
    防护服装 职业用高可视性警示服    		 China National Standards
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    GB 21148-2020 Foot protection — Safety footWear
    足部防护 安全鞋    		 China National Standards
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    GB 24850-2020 Minimum alloWable values of energy efficiency and energy efficiency grades for flat panel televisions and set-top boxes
    平板电视与机顶盒能效限定值及能效等级    		 China National Standards
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    GB 28234-2020 Hygienic requirements for acidic electrolyzed Water generator
    酸性电解水生成器卫生要求    		 China National Standards
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    GB 39177-2020 Minimum alloWable values of energy efficiency and energy efficiency grades for electric pressure cookers
    电压力锅能效限定值及能效等级    		 China National Standards
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    GB/T 38970-2020 Molybdenum and molybdenum alloy poWder for addictive manufacturing
    增材制造用钼及钼合金粉    		 China National Standards
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    GB/T 38971-2020 Spherical Co-Cr alloy poWder for additive manufacturing
    增材制造用球形钴铬合金粉    		 China National Standards
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    GB/T 38972-2020 TiB2 particulate reinforced aluminum alloy poWder for additive manufacturing
    增材制造用硼化钛颗粒增强铝合金粉    		 China National Standards
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    GB/T 38973-2020 Titanium and titanium alloy bars for additive manufactural poWder
    增材制造制粉用钛及钛合金棒材    		 China National Standards
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    GB/T 38974-2020 Niobium and niobium alloy poWder for additive manufacturing
    增材制造用铌及铌合金粉    		 China National Standards
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    GB/T 38975-2020 Tantalum and tantalum alloy poWder for additive manufacturing
    增材制造用钽及钽合金粉    		 China National Standards
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    GB/T 38979-2020 Sanitary Wares—Test method for flushing noise of toilet
    卫生陶瓷 坐便器冲洗噪声试验方法    		 China National Standards
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    GB/T 38980-2020 Test method for artificial defect sizes of zirconium tube flaW detection comparison samples
    锆管探伤对比试样人工缺陷尺寸测量方法    		 China National Standards
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    GB/T 38982-2020 Method of measuring shape and dimension for Wrought titanium and titanium alloy products
    钛及钛合金加工产品外形尺寸检测方法    		 China National Standards
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    GB/T 38987-2020 Cemented carbide rods With helical coolant holes
    硬质合金螺旋孔棒材    		 China National Standards
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    GB/T 38989-2020 Uniaxial compressive elastic modulus test method of materials stabilazed With inorganic binder（middle segment method）
    无机结合料稳定类材料单轴压缩弹性模量试验方法（中间段法）    		 China National Standards
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    GB/T 38990-2020 Waterborne epoxylite emulsified binder mixture for road engineering
    道路用水性环氧树脂乳化沥青混合料    		 China National Standards
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    GB/T 4214.4-2020 Test method for noise of household and similar electrical appliances—Particular requirements for Washing machines and spin extractors
    家用和类似用途电器噪声测试方法 洗衣机和离心式脱水机的特殊要求    		 China National Standards
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    GB/T 3044-2020 Chemical analysis methods for White fused alumina and pink fused alumina
    白刚玉、铬刚玉化学分析方法    		 China National Standards
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    GB/T 147-2020 Untrimmed sizes of printing, Writing and drawing paper
    印刷、书写和绘图用原纸尺寸    		 China National Standards
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    GB/T 4893.2-2020 Test of surface coatings of furniture—Part 2: Determination of resistance to Wet heat
    家具表面漆膜理化性能试验 第2部分：耐湿热测定法    		 China National Standards
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    GB/T 5097-2020 Non-destructive testing—Penetrant testing and magnetic particle testing—VieWing conditions
    无损检测 渗透检测和磁粉检测 观察条件    		 China National Standards
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    GB/T 12753-2020 Steel Wire ropes for conveyer belts
    输送带用钢丝绳    		 China National Standards
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    GB/T 21965-2020 Steel Wire ropes—Vocabulary for acceptance and defect
    钢丝绳 验收及缺陷术语    		 China National Standards
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    GB/T 22830-2020 Watercolor painting paper
    水彩画纸    		 China National Standards
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    GB/T 24328.4-2020 Tissue paper and tissue products--Part 4: Determination of Wet tensile strength
    卫生纸及其制品 第4部分: 湿抗张强度的测定    		 China National Standards
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    GB/T 24328.6-2020 Tissue paper and tissue products—Part 6: Determination of Water-absorption time and water-absorption capacity—Basket-immersion test method
    卫生纸及其制品 第6部分: 吸水时间和吸水能力的测定 篮筐浸没法    		 China National Standards
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    GB/T 24328.9-2020 Tissue paper and tissue products—Part 9: Determination of Wet ball burst strength
    卫生纸及其制品 第9部分：湿球形耐破度的测定    		 China National Standards
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    GB/T 24451-2020 LoW resilience flexible polyurethane cellular plastics
    慢回弹软质聚氨酯泡沫塑料    		 China National Standards
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    GB/T 26206-2020 Injecting Water foot massager
    注水式足部按摩器    		 China National Standards
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    GB/T 26790.4-2020 Industrial Wireless networks WIA specification—Part 4: WIA-FA protocol conformance test specification
    工业无线网络WIA规范 第4部分：WIA-FA协议一致性测试规范    		 China National Standards
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    GB/T 31009-2020 Foot protection—Critical substance requirements and test methods for footWear
    足部防护 鞋（靴）限量物质要求及测试方法    		 China National Standards
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    GB/T 38868-2020 Industrial control netWork general technical requirements—Wired networks
    工业控制网络通用技术要求 有线网络    		 China National Standards
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    GB/T 38869-2020 OPC UA-based interconnected netWork architecture in digital plant
    基于OPC UA的数字化车间互联网络架构    		 China National Standards
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    GB/T 38876-2020 Test method for access netWork equipment—10Gbit/s ethernet passive optical network (10G EPON)
    接入网设备测试方法 10Gbit/s以太网无源光网络（10G EPON）    		 China National Standards
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    GB/T 38924.2-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 2: LoW-temperature test
    民用轻小型无人机系统环境试验方法 第2部分: 低温试验    		 China National Standards
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    GB/T 38924.9-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 9: Waterproofness test
    民用轻小型无人机系统环境试验方法 第9部分：防水性试验    		 China National Standards
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    GB/T 38930-2020 Requirements and test methods of the capability of Wind resistance for civil small and light unmanned aircraft system
    民用轻小型无人机系统抗风性要求及试验方法    		 China National Standards
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    GB/T 38934-2020 Public telecommunication netWork enhancement—Technical requirements in support of intelligent environmental warning application
    公共电信网增强 支持智能环境预警应用的技术要求    		 China National Standards
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    GB/T 38935-2020 On-orbit radiometric characteristics assessment for optical imaging remote sensor—VIS-SWIR
    光学遥感器在轨成像辐射性能评价方法 可见光-短波红外    		 China National Standards
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    GB/T 38958-2020 Wrought aluminum alloy precision forging—Technological specification
    变形铝合金精密锻造 工艺规范    		 China National Standards
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    GB/T 38959-2020 PoWer spinning of high-strength steel—Technological specification
    高强度钢强力旋压 工艺规范    		 China National Standards
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    GB/T 38993-2020 Guide for control strategy of active and reactive poWer control system for photovoltaic power station
    光伏电站有功及无功控制系统的控制策略导则    		 China National Standards
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    GB/T 38996-2020 General requirements for the flight control system of civil small and light fixed Wing unmanned aircraft
    民用轻小型固定翼无人机飞行控制系统通用要求    		 China National Standards
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    GB/T 39015.2-2020 Road vehicles—Interchangeability of mechanical couplings betWeen tractors and semi-trailers—Part 2: Low-coupling tractors and high-volume semi-trailers
    道路车辆 牵引车与半挂车之间机械连接互换性 第2部分：低牵引座半挂牵引车与大容积半挂车    		 China National Standards
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    GB/T 39018-2020 Intelligent lighting equipment—Non-active mode poWer measurement
    智能照明设备 非主功能模式功率的测量    		 China National Standards
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    GB/T 39028-2020 Textile machinery and accessories—Web roller cards—Terms and definitions
    纺织机械与附件 罗拉式梳理成网机 术语和定义    		 China National Standards
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    GB/T 39033-2020 Austenitic-ferritic duplex stainless steel Wire rods
    奥氏体-铁素体型双相不锈钢盘条    		 China National Standards
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    GB/T 39081-2020 Test method of cross tension test for resistance spot and embossed projection Welds
    电阻点焊及凸焊接头的十字拉伸试验方法    		 China National Standards
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    GB/T 39082-2020 Test method of vickers hardness testing for resistance spot,projection and seam Welds
    电阻点焊、凸焊及缝焊接头的维氏硬度试验方法    		 China National Standards
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    GB/T 16937-2020 Earth-moving machinery—Operator’s field of vieW—Test method and performance criteria
    土方机械 司机视野 试验方法和性能准则    		 China National Standards
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    GB/T 38943.2-2020 Earth-moving machinery—Electrical safety of machines utilizing electric drives and related components and systems—Part 2:Particular requirements for externally-poWered machines
    土方机械 使用电力驱动的机械及其相关零件和系统的电安全 第2部分：外部动力机器的特定要求    		 China National Standards
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