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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. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 5095.2505-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-5：Test 25e: Return loss 电子设备用机电元件 基本试验规程及测量方法 第25-5部分：试验25e：回波损耗 |
China National Standards n |
 English PDF |
| GB/T 5095.2504-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-4: Test 25d: Propagation delay 电子设备用机电元件 基本试验规程及测量方法 第25-4部分：试验25d：传输时延 |
China National Standards n |
English PDF |
| GB/T 5095.2503-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-3: Test 25c: Rise time degradation 电子设备用机电元件 基本试验规程及测量方法 第25-3部分：试验25c：上升时间衰减 |
China National Standards n |
English PDF |
| GB/T 5095.2502-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-2: Test 25b: Attenuation (insertion loss) 电子设备用机电元件 基本试验规程及测量方法 第25-2部分：试验25b：衰减（插入损耗） |
China National Standards n |
English PDF |
| GB/T 5095.2501-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-1: Test 25a: Crosstalk ratio 电子设备用机电元件 基本试验规程及测量方法 第25-1部分：试验25a：串扰比 |
China National Standards n |
English PDF |
| GB/T 5095.2307-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-7: Screening and filtering tests—Test 23g: Effective transfer impedance of connectors 电子设备用机电元件 基本试验规程及测量方法 第23-7部分：屏蔽和滤波试验 试验23g：连接器的有效转移阻抗 |
China National Standards n |
English PDF |
| GB/T 5095.2304-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-4: Screening and filtering tests—Test 23d: Transmission line reflections in the time domain 电子设备用机电元件 基本试验规程及测量方法 第23-4部分：屏蔽和滤波试验 试验23d：时域内传输线的反射 |
China National Standards n |
English PDF |
| GB/T 5095.2303-2021 |
Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-3:Screening and filtering tests—Test 23c：Shielding effectiveness of connectors and accessories—Line injection method 电子设备用机电元件 基本试验规程及测量方法 第23-3部分：屏蔽和滤波试验 试验23c：连接器和附件的屏蔽效果 线注入法 |
China National Standards n |
English PDF |
| GB/T 4892-2021 |
Dimensions of rigid rectangular transport packages 硬质直方体运输包装尺寸系列 |
China National Standards n |
English PDF |
| GB/T 4797.9-2021 |
Classification of environmental conditions—Environmental conditions appearing in nature—Measured shock and vibration data during storage, transportation and in-use 环境条件分类 自然环境条件 贮存、运输和使用过程中测得的冲击和振动数据 |
China National Standards n |
English PDF |
| GB/T 4490-2021 |
Conveyor belts with textile carcass—Widths and lengths 织物芯输送带 宽度和长度 |
China National Standards n |
English PDF |
| GB/T 4022.1-2021 |
Surface grinding machines with horizontal grinding wheel spindle and reciprocating table—Testing of the accuracy—Part 1：Machines with table surface length of up to 1600 mm 卧轴矩台平面磨床 精度检验 第1部分：工作台面长度至1600mm的机床 |
China National Standards n |
English PDF |
| GB/T 3792-2021 |
Information and documentation—Resource description 信息与文献 资源描述 |
China National Standards n |
English PDF |
| GB/T 3684-2021 |
Conveyor belts—Electrical conductivity—Specification and test method 输送带 导电性 规范和试验方法 |
China National Standards n |
English PDF |
| GB/T 3480.2-2021 |
Calculation of load capacity of spur and helical gears—Part 2: Calculation of surface durability (pitting) 直齿轮和斜齿轮承载能力计算 第2部分：齿面接触强度（点蚀）计算 |
China National Standards n |
English PDF |
| GB/T 3296-2021 |
Test method for translucency of daily-use porcelain 日用瓷器透光度测定方法 |
China National Standards n |
English PDF |
| GB/T 2889.5-2021 |
Plain bearings—Terms, definitions, classification and symbols—Part 5:Application of symbols 滑动轴承 术语、定义、分类和符号 第5部分:符号的应用 |
China National Standards n |
English PDF |
| GB/T 2680-2021 |
Glass in building—Determination of light transmittance, solar direct transmittance, total solar energy transmittance, ultraviolet transmittance and related glazing factors 建筑玻璃 可见光透射比、太阳光直接透射比、太阳能总透射比、紫外线透射比及有关窗玻璃参数的测定 |
China National Standards n |
English PDF |
| GB/T 1454-2021 |
Test method for edgewise compressive properties of sandwich constructions 夹层结构侧压性能试验方法 |
China National Standards n |
English PDF |
| GB/T 1406.3-2021 |
Types and dimensions of lamp caps—Part 3：Prefocus caps 灯头的型式和尺寸 第3部分：预聚焦式灯头 |
China National Standards n |
English PDF |
| GB/T 1149.6-2021 |
Internal combustion engines—Piston rings—Part 6: Scraper rings made of cast iron 内燃机 活塞环 第6部分：铸铁刮环 |
China National Standards n |
English PDF |
| GB/T 1149.4-2021 |
Internal combustion engines—Piston rings—Part 4:Quality requirements 内燃机 活塞环 第4部分：质量要求 |
China National Standards n |
English PDF |
| GB/T 41009-2021 |
Forensic sciences -- Data structures of selected loci from the DNA database 法庭科学? DNA数据库选用的基因座及其数据结构 |
China National Standards n |
English PDF |
| GB/T 41021-2021 |
Forensic sciences -- Content and format of DNA identification report 法庭科学? DNA鉴定文书内容及格式 |
China National Standards n |
English PDF |
| GB/T 41165-2021 |
Accuracy evaluation methods of marine forecast results 海洋预报结果准确性检验评估方法 |
China National Standards n |
English PDF |
| GB/T 41020-2021 |
Guidance on building fire risk assessment for property insurance 建筑物财产保险火灾风险评估指南 |
China National Standards n |
English PDF |
| GB/T 14914.6-2021 |
The specification for marine observation—Part 6:Data processing and quality control of marine observational data 海洋观测规范 第6部分：数据处理与质量控制 |
China National Standards n |
English PDF |
| GB/T 14914.3-2021 |
The specification for marine observation -- Part 3: Surface and subsurface buoy-based observation 海洋观测规范 第 3 部分：浮标潜标观测 |
China National Standards n |
English PDF |
| GB/T 14914.4-2021 |
The specification for marine observation—Part 4:Shore based radar observation 海洋观测规范 第4部分：岸基雷达观测 |
China National Standards n |
English PDF |
| GB/T 9254.1-2021 |
Information technology equipment, multimedia equipment and receivers -- Electromagnetic compatibility -- Part 1: Emission requirements 信息技术设备、多媒体设备和接收机 电磁兼容 第1部分：发射要求 |
China National Standards n |
English PDF |
| GB/T 283-2021 |
Rolling bearings—Cylindrical roller bearings—Boundary dimensions 滚动轴承 圆柱滚子轴承 外形尺寸 |
China National Standards n |
English PDF |
| GB/T 34273-2021 |
Standard test method for calculated cetane index of coal liquefaction diesel—Four variable equetion 煤液化柴油十六烷指数计算法 四变量公式法 |
China National Standards n |
English PDF |
| GB/T 8563.3-2021 |
Classification and codes for information of reward and disciplinary action -- Part 3: Codes of disciplinary action and organizational punishment 奖励、纪律处分信息分类与代码? 第3部分：纪律处分和组织处理代码 |
China National Standards n |
English PDF |
| GB/T 41205.1-2021 |
Code and attribute description of emergency supplies -- Part 1: Personal protective equipment 应急物资编码与属性描述 第1部分：个体防护装备 |
China National Standards n |
English PDF |
| GB/T 41205.2-2021 |
Code and attribute description of emergency supplies -- Part 2: Decontamination material and equipment 应急物资编码与属性描述 第2部分：洗消器材及设备 |
China National Standards n |
English PDF |
| GB/T 41205.3-2021 |
Code and attribute description of emergency supplies -- Part 3: Search and rescue equipment 应急物资编码与属性描述 第3部分：搜救设备 |
China National Standards n |
English PDF |
| GB/T 15166.4-2021 |
High-voltage alternating-current fuses -- Part 4：Fuse for exteanal protection of shunt capacitors 高压交流熔断器 第4部分：并联电容器外保护用熔断器 |
China National Standards n |
English PDF |
| GB/T 41163-2021 |
Specification for process design of enhancing coal seam permeability by water jet in coalmine 煤矿井下煤层水射流冲击增透工艺设计规范 |
China National Standards n |
English PDF |
| GB/T 41044-2021 |
Guidelines for coalbed methane extraction in coal mining areas 煤矿区煤层气抽采指南 |
China National Standards n |
English PDF |
| GB/T 22178-2021 |
Oxadiazon emulsifiable concentrates 噁草酮乳油 |
China National Standards n |
English PDF |
| GB/T 22173-2021 |
Oxadiazon technical material 噁草酮原药 |
China National Standards n |
English PDF |
| GB/T 19136-2021 |
Testing method of the accelerated storage stability at elevated temperature for pesticides 农药热储稳定性测定方法 |
China National Standards n |
English PDF |
| GB/T 1600-2021 |
Testing method of water for pesticides 农药水分测定方法 |
China National Standards n |
English PDF |
| GB/T 15981-2021 |
Evaluating method for the efficacy of sterilization for disinfection equipment 消毒器械灭菌效果评价方法 |
China National Standards n |
English PDF |
| GB/T 18916.60-2021 |
norm of water intake -- Part 60: Silicone 取水定额 第60部分：有机硅 |
China National Standards n |
English PDF |
| GB/T 41019-2021 |
Technical guideline for comprehensive utilization of mine water 矿井水综合利用技术导则 |
China National Standards n |
English PDF |
| GB/T 9143-2021 |
Commercial coal quality—Coal for fixed-bed gasification 商品煤质量 固定床气化用煤 |
China National Standards n |
English PDF |
| GB/T 25210-2021 |
Hydraulic excavator—Central turning joint 商品煤质量 中低温热解用煤 |
China National Standards n |
English PDF |
| GB/T 21636-2021 |
Microbeam analysis—Electron probe microanalysis (EPMA)—Vocabulary 微束分析 电子探针显微分析（EPMA） 术语 |
China National Standards n |
English PDF |
| GB/T 41074-2021 |
Microbeam analysis -- Method of specimen preparation for analysis of general powders using WDS and EDS 微束分析 用于波谱和能谱分析的粉末试样制备方法 |
China National Standards n |
English PDF |
| GB/T 15579.14-2021 |
Arc welding equipment -- Part 14: Calibration, validation and consistency testing 弧焊设备 第14部分：校准、确认和一致性试验 |
China National Standards n |
English PDF |
| GB/T 21419-2021 |
Transformers, power supplies, reactors and similar products—EMC requirements 变压器、电源装置、电抗器及其类似产品 电磁兼容（EMC）要求 |
China National Standards n |
English PDF |
| GB/T 41042-2021 |
Guidance for utilization and classification of content of valuable elements in coal 煤中有价元素含量分级及应用导则 |
China National Standards n |
English PDF |
| GB/T 41043-2021 |
Coordinative development effectiveness evaluation indicator and method of coal and coalbed methane 煤与煤层气协调开发效果评价指标及计算方法 |
China National Standards n |
English PDF |
| GB/T 5267.2-2021 |
Fasteners—Non-electrolytically applied zinc flake coatings 紧固件 非电解锌片涂层 |
China National Standards n |
English PDF |
| GB/T 3099.4-2021 |
Terminology of fasteners—Control, inspection, delivery, acceptance and quality 紧固件术语 控制、检查、交付、接收和质量 |
China National Standards n |
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| GB/T 3098.26-2021 |
Mechanical properties of fasteners—Flat washers 紧固件机械性能 平垫圈 |
China National Standards n |
English PDF |
| GB/T 41116-2021 |
non-destructive testing of welds—Time-of-flight diffraction technique (TOFD)—Acceptance levels 焊缝无损检测 衍射时差技术（TOFD） 验收等级 |
China National Standards n |
English PDF |
| GB/T 41115-2021 |
non-destructive testing of welds -- Ultrasonic testing -- Use of time-of-flight diffraction technique (TOFD) 焊缝无损检测 超声检测 衍射时差技术（TOFD）的应用 |
China National Standards n |
English PDF |
| GB/T 41107.2-2021 |
Destructive tests on welds in metallic materials -- Hot cracking tests for weldments -- Arc welding processes -- Part 2: Self-restraint tests 金属材料焊缝破坏性试验 焊件的热裂纹试验 弧焊方法 第2部分：自拘束试验 |
China National Standards n |
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| GB/T 41107.1-2021 |
Destructive tests on welds in metallic materials -- Hot cracking tests for weldments -- Arc welding processes -- Part 1: General 金属材料焊缝破坏性试验 焊件的热裂纹试验 弧焊方法 第1部分：总则 |
China National Standards n |
English PDF |
| GB/T 26282-2021 |
Measuring methods of heat balance of cement rotary kiln 水泥回转窑热平衡测定方法 |
China National Standards n |
English PDF |
| GB/T 20303.5-2021 |
Cranes—Cabins and control stations—Part 5: Overhead travelling and portal bridge cranes 起重机 司机室和控制站 第5 部分:桥式和门式起重机 |
China National Standards n |
English PDF |
| GB/T 17743-2021 |
Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment 电气照明和类似设备的无线电骚扰特性的限值和测量方法 |
China National Standards n |
English PDF |
| GB/T 4657-2021 |
Codes for the central party and state organs people’s communities and the other state organizations 中央党政机关、人民团体及其他机构代码 |
China National Standards n |
English PDF |
| GB/T 8563.1-2021 |
Classification and codes for information of reward and disciplinary action -- Part 1: Codes of medal, honorary title and reward 奖励、纪律处分信息分类与代码 第1部分：勋章、荣誉称号和表彰奖励代码 |
China National Standards n |
English PDF |
| GB/T 30887-2021 |
Technical guide for water system integration and optimization of industrial enterprises 工业企业水系统集成优化技术指南 |
China National Standards n |
English PDF |
| GB/T 13976-2021 |
Radioactive source term of pressurized water reactor nuclear power plant for operation states 压水堆核电厂运行状态下的放射性源项 |
China National Standards n |
English PDF |
| GB/T 41249-2021 |
Industrial assistance—Guidance for operation management of “pig-biogas-fruit (grain and vegetable)”circular agricultural project 产业帮扶 “猪-沼-果（粮、菜）” 循环农业项目运营管理指南 |
China National Standards n |
English PDF |
| GB/T 21938-2021 |
Earth-moving machinery─Hydraulic excavator and backhoe loader lowering control device─Requirements and tests 土方机械 液压挖掘机和挖掘装载机下降控制装置 要求和试验 |
China National Standards n |
English PDF |
| GB/T 22565.1-2021 |
Metallic materials -- Sheet and strip -- Method for spring back evaluation -- Part 1: Stretch bending 金属材料 薄板和薄带 回弹性能评估方法 第1部分：拉弯法 |
China National Standards n |
English PDF |
| GB/T 5121.28-2021 |
Methods for chemical analysis of copper and copper alloys—Part 28：Determination of chromium,iron,manganese,cobalt,nickel,zinc,arsenic,selenium,silver,cadmium,tin,antimony,tellurium,lead and bismuth content—Inductively coupled plasma-mass spectrometry 铜及铜合金化学分析方法 第28部分：铬、铁、锰、钴、镍、锌、砷、硒、银、镉、锡、锑、碲、铅和铋含量的测定 电感耦合等离子体质谱法 |
China National Standards n |
English PDF |
| GB/T 7991.1-2021 |
Test method of viterous and porcelain enamels—Part 1：Determination of resistance to alkaline liquids 搪玻璃层试验方法 第1部分：耐碱性溶液腐蚀性能的测定 |
China National Standards n |
English PDF |
| GB/T 41073-2021 |
Surface chemical analysis -- Electron spectroscopies -- Minimum reporting requirements for peak fitting in X-ray photoelectron spectroscopy 表面化学分析 电子能谱 X射线光电子能谱峰拟合报告的基本要求 |
China National Standards n |
English PDF |
| GB/T 41121-2021 |
Glass water slide device safety technical requirement 玻璃水滑道安全技术要求 |
China National Standards n |
English PDF |
| GB/T 6113.104-2021 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-4:Radio disturbance and immunity measuring apparatus—Antennas and test sites for radiated disturbance measurements 无线电骚扰和抗扰度测量设备和测量方法规范 第1-4部分：无线电骚扰和抗扰度测量设备 辐射骚扰测量用天线和试验场地 |
China National Standards n |
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| GB/T 6113.101-2021 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-1: Radio disturbance and immunity measuring apparatus—Measuring apparatus 无线电骚扰和抗扰度测量设备和测量方法规范 第1-1部分：无线电骚扰和抗扰度测量设备 测量设备 |
China National Standards n |
English PDF |
| GB/T 41118-2021 |
Safety of machinery -- Guideline for the design of safety control systems 机械安全? 安全控制系统设计指南 |
China National Standards n |
English PDF |
| GB/T 6730.25-2021 |
Iron ores—Determination of total rare earth contents—Oxalate gravimetric method 铁矿石 稀土总量的测定 草酸盐重量法 |
China National Standards n |
English PDF |
| GB/T 41039-2021 |
The general rules of determing designed coal and checked coal in modern coal chemical technology 现代煤化工项目设计煤种和校核煤种确定通则 |
China National Standards n |
English PDF |
| GB/T 31428-2021 |
Vocabulary relating to coal chemical technology 煤化工术语 |
China National Standards n |
English PDF |
| GB/T 41038-2021 |
Energy consumption efficiency evaluation method for entrained-flow coal-water slurry gasification 气流床水煤浆气化能效计算方法 |
China National Standards n |
English PDF |
| GB/T 2384-2021 |
Dyes intermediates—General method for the determination of melting range 染料中间体 熔点范围测定通用方法 |
China National Standards n |
English PDF |
| GB/T 14598.118-2021 |
Measuring relays and protection equipment -- Part 118: Synchrophasor for power systems -- Measurements 量度继电器和保护装置 第118部分：电力系统同步相量 测量 |
China National Standards n |
English PDF |
| GB/T 41164-2021 |
Specifications technology for multistage fracturing in horizontal well within roof of broken-soft and low permeability coal seam 碎软低渗煤层顶板水平井分段压裂技术规范 |
China National Standards n |
English PDF |
| GB/T 41138-2021 |
Product quality information system -- Information classification, sharing and exchange 产品质量信息系统 信息分类与共享交换 |
China National Standards n |
English PDF |
| GB/T 10892-2021 |
Stationary air compressors -- Safety rules and code of practice 固定的空气压缩机 安全规则和操作规程 |
China National Standards n |
English PDF |
| GB/T 13095-2021 |
Bathroom unit 整体浴室 |
China National Standards n |
English PDF |
| GB/T 41108.3-2021 |
Safety of machinery -- Safety requirements for interlocking devices -- Part 3: Trapped key interlocking devices and systems 机械安全 联锁装置的安全要求 第3部分：截留钥匙联锁装置及系统 |
China National Standards n |
English PDF |
| GB/T 41108.2-2021 |
Safety of machinery -- Safety requirements for interlocking devices -- Part 2: Interlocking devices with guard-locking 机械安全 联锁装置的安全要求 第2部分：带防护锁定的联锁装置 |
China National Standards n |
English PDF |
| GB/T 41108.1-2021 |
Safety of machinery -- Safety requirements for interlocking devices -- Part 1: Direct opening position switches 机械安全 联锁装置的安全要求 第1部分：直接断开位置开关 |
China National Standards n |
English PDF |
| GB/T 14598.181-2021 |
Measuring relays and protection equipment -- Part 181：Functional requirements for frequency protection 量度继电器和保护装置 第181 部分：频率保护功能要求 |
China National Standards n |
English PDF |
| GB/T 26281-2021 |
Methods for the calculation of heat balance，heat efficiency and comprehensive energy consumption of cement rotary kiln 水泥回转窑热平衡、热效率、综合能耗计算方法 |
China National Standards n |
English PDF |
| GB/T 3670-2021 |
Covered electordes for manual metal arc welding of copper and copper alloys 铜及铜合金焊条 |
China National Standards n |
English PDF |
| GB/T 41147-2021 |
Voltage sourced converter(VSC) valves for static synchronous compensator(STATCOM) -- Electrical testing 静止同步补偿装置用电压源换流器阀 电气试验 |
China National Standards n |
English PDF |
| GB/T 41111-2021 |
Rods for gas welding of non-alloy and creep-resisting steels 气焊用非合金钢及热强钢填充丝 |
China National Standards n |
English PDF |
| GB/T 41110-2021 |
Tubular cored electrodes for gas shielded and non-gas shielded metal arc welding of nickel and nickel alloys 镍及镍合金药芯焊丝 |
China National Standards n |
English PDF |
| GB/T 41112-2021 |
Solid wire electrodes, solid wires and rods for fusion welding of magnesium and magnesium alloys 镁及镁合金焊丝 |
China National Standards n |
English PDF |
| GB/T 26465-2021 |
Safety rules for the construction and installation of firefighters lifts 消防员电梯制造与安装安全规范 |
China National Standards n |
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| GB/T 41114-2021 |
non-destructive testing -- Ultrasonic testing -- Specification for a calibration block for phased array testing(PAUT) 无损检测? 超声检测 相控阵超声检测标准试块规范 |
China National Standards n |
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