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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 "YS" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 34172-2017
  • Microbeam analYSis—Electron backscatter diffraction—Phase analysis method of metal and alloy YS
    China National Standards
  • GB/T 34867.1-2017
  • Procedures for measurement and verification of motor-sYStem energy-savings—Part 1: Test procedures on working site for energy efficiency of motor YS
    China National Standards
  • GB/T 5226.31-2017
  • Electrical safety of machinery—Electrical equipment of machines—Part 31:Particular safety and EMC requirements for sewing machines, units and sYStems YS
    China National Standards
  • GB/T 4698.13-2017
  • Methods for chemical analYSis of titanium sponge,titanium and titanium alloys—Part 13:Determination of zirconium content—EDTA complexometric titration and inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 18742.1-2017
  • Polypropylene (PP) piping sYStems for hot and cold water installations—Part 1: General YS
    China National Standards
  • GB/T 31983.31-2017
  • Narrow band power line communication over low-voltage mains—Part 31:Narrow band orthogonal frequency division multiplexing power line—Communication phYSical layer specification YS
    China National Standards
  • GB/T 34518-2017
  • Requirements of data transmission and exchange interface for land observation satellite ground sYStem YS
    China National Standards
  • GB/T 34976-2017
  • Information security technology—Security technical requirements and testing and evaluation approachs for operating sYStem of smart mobile terminals YS
    China National Standards
  • GB 35114-2017
  • Technical requirements for information security of video surveillance network sYStem for public security YS
    China National Standards
  • GB/T 1819.12-2017
  • Methods for chemical analYSis of tin concentrates—Part 12:Determination of silicon dioxide content—The silicomolybdenum blue spectrophotometry and sodium hydroxide titration YS
    China National Standards
  • GB/T 10574.7-2017
  • Methods for chemical analYSis of tin-lead solders—Part 7:Determination of silver content—Flame atomic absorption spectrometry and potassium thiocyanate potentiometric titration YS
    China National Standards
  • GB/T 34500.3-2017
  • Chemical analYSis methods for rare earth waste residue and waste water—Part 3: Determination of weak radioactivity(total activity of αandβ) YS
    China National Standards
  • GB/T 13747.21-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 21:Determination of hydrogen content—Inert gas fusion-infrared absorption or thermal conductivity method YS
    China National Standards
  • GB/T 34702-2017
  • Analytical method of chemical composition for low temperature sulphur tail gas hydrogenation catalYSt YS
    China National Standards
  • GB/T 34424-2017
  • Fixed equivalent water-based fire-extinguishing sYStems for ship YS
    China National Standards
  • GB/T 18742.2-2017
  • Polypropylene (PP) piping sYStems for hot and cold water installations—Part 2: Pipes YS
    China National Standards
  • GB/T 34934-2017
  • Electrcial safety of machinery—Guidelines for the use of communication sYStems in safety-related applications YS
    China National Standards
  • GB/T 34542.1-2017
  • Storage and transportation sYStems for gaseous hydrogen—Part 1: General requirements YS
    China National Standards
  • GB/Z 17625.14-2017
  • Electromagnetic compatibility—Limits—Assessment of emission limits for harmonics, interharmonics,voltage fluctuations and unbalance for the connection of disturbing installations to LV power sYStems YS
    China National Standards
  • GB/T 17948.3-2017
  • Rotating electrical machines—Functional evaluation of insulation sYStems—Test procedures for form-wound windings—Thermal evaluation and classification of insulation systems used in rotating machines YS
    China National Standards
  • GB/T 34679-2017
  • General technical specifications for smart mine information sYStems YS
    China National Standards
  • GB/T 34508-2017
  • Additive manufacturing with TC4 alloYS powder by bed electron beam melting YS
    China National Standards
  • GB/T 10574.9-2017
  • Methods for chemical analYSis of tin-lead solders—Part 9:Determination of aluminium content—Graphite furnace atomic absorption spectrometric method YS
    China National Standards
  • GB/T 34699-2017
  • Test method of phYSical properties for low temperature sulphur tail gas hydrogenation catalyst YS
    China National Standards
  • GB/T 34496-2017
  • CatalYSt for heavy-duty gas engine vehicle exhaust purification YS
    China National Standards
  • GB/T 12690.6-2017
  • Chemical analYSis methods for non-rare earth impurity of rare earth metals and their oxides—Part 6: Determination of iron content—Kslium thiocyanate, 1,10-Phenanthroline spectrophotometric method YS
    China National Standards
  • GB/T 13539.3-2017
  • Low-voltage fuses—Part 3: Supplementary requirements for fuses for use by unskilled persons (fuses mainly for household and similar applications)—Examples of standardized sYStems of fuses A to F YS
    China National Standards
  • GB/T 34377-2017
  • Technical code for application design, installation and acceptance of domestic solar water heating sYStems YS
    China National Standards
  • GB/T 10574.10-2017
  • Methods for chemical analYSis of tin-lead solders—Part 10:Determination of cadmium content—Flame atomic absorption spectrometry and Na2EDTA titration method YS
    China National Standards
  • GB/T 12690.5-2017
  • Chemical analYSis methods for non-rare earth impurities of rare earth metals and their oxides—Part 5: Determination of cobalt,manganese,lead,nickel,copper,zinc,aluminum,chromium,magnesium,cadmium,vanadium and iron contents YS
    China National Standards
  • GB/T 18742.3-2017
  • Polypropylene(PP) piping sYStems for hot and cold water installations—Part 3:Fittings YS
    China National Standards
  • GB/T 34923.5-2017
  • Street lights control and management sYStem—Part 5: Technical specification of safety protection YS
    China National Standards
  • GB/T 34992-2017
  • 12.5kHz TDMA channel based professional digital trunking communication sYStem—Technical specifications for call control layer of air interface YS
    China National Standards
  • GB/T 8152.13-2017
  • Methods for chemical analYSis of lead concentrates—Part 13:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry YS
    China National Standards
  • GB/T 4513.6-2017
  • Monolithic (unshaped) refractory products—Part 6:Measurement of phYSical properties YS
    China National Standards
  • GB/T 15076.5-2017
  • Methods for chemical analYSis of tantalum and niobium—Part5:Determination of molybdenum and tungsten contents—Inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 15076.1-2017
  • Methods for chemical analYSis of tantalum and niobium—Part 1: Determination of tantalum content in niobium—Inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 4498.2-2017
  • Rubber—Determination of ash—Part 2: Thermogravimetric analYSis YS
    China National Standards
  • GB/T 4698.20-2017
  • Methods for chemical analYSis of titanium sponge, titanium and titanium alloys—Part 4:Determination of manganese content—Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 4698.18-2017
  • Methods for chemical analYSis of titanium sponge, titanium and titanium alloys—Part 18:Determination of tin content—Flame atomic absorption spectrometry YS
    China National Standards
  • GB/T 1819.8-2017
  • Methods for chemical analYSis of tin concentrates—Part 8:Determination of zinc content—Flame atomic absorption spectrometric method YS
    China National Standards
  • GB/T 34700-2017
  • Rare earth type selective catalytic reduction(SCR) denitration catalYSts YS
    China National Standards
  • GB/T 13747.8-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 8:Determination of cobalt content—Nitroso-R-salt spectrophotometry YS
    China National Standards
  • GB/T 13747.25-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 25:Determination of niobium content—2-(5-bromo-2-pyridylazo)-5-diethylam inophenol spectrophotometry and inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 34283-2017
  • Interface specifications of national emergencies early warning release sYStem's management platform and terminal management platform YS
    China National Standards
  • GB/T 34979.1-2017
  • Test specification for smart terminal software platform—Part 1: Operating sYStem YS
    China National Standards
  • GB/T 28807.2-2017
  • Railway applications—Compatibility between rolling stock and train detection sYStems—Part 2: Compatibility with track circuits YS
    China National Standards
  • GB/T 34234-2017
  • Analytical method of chemical composition for deoxy-sulphur and cyanide catalYSt from coal gas YS
    China National Standards
  • GB/T 34499.1-2017
  • Method for chemical analYSis of iridium compounds—Part 1: Determination of iridium content—Electricity titration using ferrous sulfate YS
    China National Standards
  • GB/T 6115.2-2017
  • Series capacitors for power sYStems—Part 2: Protective equipment for series capacitor banks YS
    China National Standards
  • GB/T 20170.1-2006
  • Test methods for phYSical characters of rare earth metals and their compounds Determination for particle size distribution of rare earth compounds YS
    China National Standards
  • GB/T 22571-2017
  • Surface chemical analYSis—X-ray photoelectron spectrometers—Calibration of energy scales YS
    China National Standards
  • GB/T 1819.15-2017
  • Methods for chemical analYSis of tin concentrates—Part 15:Determination of fluorine content—The ion-selective electrode method YS
    China National Standards
  • GB/T 13747.11-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 11: Determination of molybdenum content—Thiocyanate spectrophotometry YS
    China National Standards
  • GB/T 21412.15-2017
  • Petroleum and natural gas industries—Design and operation of subsea production sYStems—Part15:Subsea structures and manifolds YS
    China National Standards
  • GB/T 34322-2017
  • Automatic continuous determination of water quality for boiler and cooling sYStem—Potentiometric titration YS
    China National Standards
  • GB/T 34647-2017
  • Temper designation sYStem for titanium and titanium alloy YS
    China National Standards
  • GB/T 10574.11-2017
  • Methods for chemical analYSis of tin-lead solders—Part 11:Determination of phosphorus content—Crystal violet phosphorus-vanadium-molybdeum heteropoly acid spectrophotometry YS
    China National Standards
  • GB/T 13747.15-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 15:Determination of boron content—Curcumin spectrophotometry YS
    China National Standards
  • GB/T 34396-2017
  • Repair of flat wooden pallets used in pallet pool sYStem YS
    China National Standards
  • GB/T 20175-2006
  • Surface chemical analYSis-Sputter depth profiling-Optimization using layered systems as reference materials YS
    China National Standards
  • GB/T 34590.4-2017
  • Road vehicles—Functional safety—Part 4: Product development at the sYStem level YS
    China National Standards
  • GB/T 1819.10-2017
  • Methods for chemical analYSis of tin concentrates—Part 10: Determination of sulfur content—High frequency combustion with infrared absorption method and potassium iodate titrimetric method YS
    China National Standards
  • GB/T 4698.9-2017
  • Methods for chemical analYSis of titanium sponge,titanium and titanium alloys—Part 9:Determination of tin content—Potassium iodate titration and inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 16665-2017
  • Monitoring and testing for energy saving of air compressor unit and air distribution sYStem YS
    China National Standards
  • GB/T 34991-2017
  • 12.5kHz TDMA channel based professional digital trunking communication sYStem—Technical specifications for physical layer and data link layer of air interface YS
    China National Standards
  • GB/T 3884.19-2017
  • Methods for chemical analYSis of copper concentrates—Part 19: Determination of thallium content—Inductively coupled plasma mass spectrometry YS
    China National Standards
  • GB/T 10574.8-2017
  • Methods for chemical analYSis of tin-lead solders—Part 8:Determination of zinc content—Flame atomic absorption spectrometric method YS
    China National Standards
  • GB/T 34572-2017
  • Railway applications—Current collection sYStem—Pantographs,testing methods for carbon contact strips YS
    China National Standards
  • GB/T 19069-2017
  • Stall regulation wind turbines—Control sYStem—Technical condition YS
    China National Standards
  • GB/T 10574.14-2017
  • Methods for chemical analYSis of tin-lead solders—Part 14:Determination of tin, lead,antimony,bismuth,silver,copper,zinc,cadmium and arsenic content—Optical emission spectrometry YS
    China National Standards
  • GB/T 15076.13-2017
  • Methods for chemical analYSis of tantalum and niobium—Part 13: Determination of nitrogen content—Inert gas fusion thermal conductivity method YS
    China National Standards
  • GB/T 19345.2-2017
  • Amorphous and nanocrYStalline alloy—Part 2: Fe-based nanocrystalline soft magnetic alloy strips YS
    China National Standards
  • GB/T 18274-2017
  • Technical specifications for motor vehicle brake sYStem YS
    China National Standards
  • GB/T 34680.1-2017
  • Evaluation model and general evaluation indicator sYStem for smart cities—Part 1: General framework and requirements for developing evaluation sub-indicators YS
    China National Standards
  • GB/T 1819.17-2017
  • Methods for chemical analYSis of tin concentrates—Part 17:Determination of mercury content—Atomic fluorescence spectrometric method YS
    China National Standards
  • GB/T 34612-2017
  • Measurement method for X-ray double crYStal diffraction rocking curve of sapphire crystals YS
    China National Standards
  • GB/T 16484.13-2017
  • Chemical analYSis methods for rare earth chloride and light rare erath carbonate--Part 13: Determination of ammonium chloride content YS
    China National Standards
  • GB/T 18881-2017
  • CatalYSt for light-duty petrol vehicle exhaust purification YS
    China National Standards
  • GB/T 12690.18-2017
  • Chemical analYSis methods for non-rare earth impurity of rare earth metals and their oxides— Part 18: Determination of zirconium content YS
    China National Standards
  • GB/T 34626.2-2017
  • Metallic and other inorganic coatings—Cleaning and preparation of metal surfaces—Part 2: Non-ferrous metals and alloYS YS
    China National Standards
  • GB/T 20314-2017
  • Thin float glass for liquid crYStal display( LCD )applications YS
    China National Standards
  • GB/T 34316-2017
  • Security technology protection sYStem requirements for ports YS
    China National Standards
  • GB/T 4698.5-2017
  • Methods for chemical analYSis of titanium sponge, titanium and titanium alloys—Part 5:Determination of molybdenum content—Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 19070-2017
  • Stall regulation wind turbines—Control sYStem—Test method YS
    China National Standards
  • GB/T 8151.21-2017
  • Methods for chemical analYSis of zinc concentrates—Part 21:Determination of thallium content—Inductively coupled plasma mass spectrometry and inductively coupled plasma-atomic emission spectrometry YS
    China National Standards
  • GB/T 4698.12-2017
  • Methods for chemical analYSis of titanium sponge, titanium and titanium alloys—Part 12:Determination of vanadium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 13747.24-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 24:Determination of carbon content—Infrared absorption method after high frequency combustion YS
    China National Standards
  • GB/T 13747.19-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part19:Determination of titanium content—Diantipyrylmethane spectrophotometry and the inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 1819.16-2017
  • Methods for chemical analYSis of tin concentrats—Part 16:Determination of siliver content—Flame atomic absorption spectrometry YS
    China National Standards
  • GB/T 13747.14-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 14:Determination of uranium content—Polarography YS
    China National Standards
  • GB/T 6901-2017
  • Chemical analYSis of silica refractories YS
    China National Standards
  • GB/T 14598.27-2017
  • Measuring relaYS and protection equipment—Part 27:Product safety requirements YS
    China National Standards
  • GB/T 19443-2017
  • Insulators for overhead lines with a nominal voltage above 1500V—Ceramic or glass insulator units for d.c. sYStems—Definitions,test methods and acceptance criteria YS
    China National Standards
  • GB/T 14640-2017
  • Determination of potassium and sodium in water for industrial circulating cooling sYStem and boiler YS
    China National Standards
  • GB/T 21209-2017
  • AC electrical machines used in power drive sYStems—Application guide YS
    China National Standards
  • GB/T 16857.5-2017
  • Geometrical product specifications(GPS)—Acceptance and reverification tests for coordinate measuring machines (CMM)—Part 5:CMMs using single or multiple stylus contacting probing sYStems YS
    China National Standards
  • GB/T 34849-2017
  • Biaxially oriented polYStyrene heat shrinkable film YS
    China National Standards
  • GB/T 20899.13-2017
  • Methods for chemical analYSis of gold ores-Part 13: Determination of lead,zinc,bismuth,cadminum,chromium,arsenic and mercury contents —Inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 34428.6-2017
  • Communication rules of the devices of surveillance and control sYStem for expressway—Part 6:Wall map YS
    China National Standards

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