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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 "Hot" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 36084-2018
  • Nanotechnology—Determination of copper, manganese and chromium ions in aqueous solution—Ultraviolet-visible spectropHotometry Hot
    China National Standards
  • GB/T 16258-2018
  • Test method for sugar in cotton fibers—SpectropHotometry Hot
    China National Standards
  • GB/T 26332.1-2018
  • Optics and pHotonics—Optical coatings—Part 1: Definitions Hot
    China National Standards
  • GB/T 11048-2018
  • Textiles-Physiological effects-Measurement of thermal and water-vapour resistance under steady-state conditions(sweating guarded-Hotplate test) Hot
    China National Standards
  • GB/T 1499.2-2018
  • Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars Hot
    China National Standards
  • GB/T 36116-2018
  • Requirements for the control system function of the rural pHotovoltaic power station cluster Hot
    China National Standards
  • GB/T 35931-2018
  • Test method for neps and short fiber content of cotton fibers—PHotoelectric analyser Hot
    China National Standards
  • GB/T 36117-2018
  • Guide for the planning and design of the rural pHotovoltaic power station cluster connected to power grid Hot
    China National Standards
  • GB/T 36115-2018
  • Targeted poverty alleviation—Technical guide of village pHotovoltaic power station Hot
    China National Standards
  • GB/T 36119-2018
  • Targeted poverty alleviation—Management and evaluation guide of village pHotovoltaic power station Hot
    China National Standards
  • GB/T 36087-2018
  • Digital information anti-counterfeiting Hot stamping foil Hot
    China National Standards
  • GB/T 34932-2017
  • Technical specification for remote monitoring and control system of distributed pHotovoltaic power generation system Hot
    China National Standards
  • GB/T 17923-2017
  • Analytical method for oily sewage from marine petroleum development industry—Infrared spectropHotometry Hot
    China National Standards
  • GB/T 34890-2017
  • Geometrical product specification(GPS)—Acceptance and reverification tests for digital pHotogrammetry 3D coordinate measuring system Hot
    China National Standards
  • GB/T 34933-2017
  • Technical code for combiner box test of pHotovoltaic power station Hot
    China National Standards
  • GB/T 34662-2017
  • Electrotechnical equipment—Temperatures of touchable Hot surfaces Hot
    China National Standards
  • GB/T 34936-2017
  • Technical requirement of combiner box for pHotovoltaic power station Hot
    China National Standards
  • GB/T 34983-2017
  • Resin bond diamond wire for pHotovoltaic applications Hot
    China National Standards
  • GB/T 34931-2017
  • Testing code for reactive power compensation device of pHotovoltaic power station Hot
    China National Standards
  • GB/T 34796-2017
  • Quantification and purity analysis of nucleic acid concentration in solution—Ultraviolet spectropHotometry Hot
    China National Standards
  • GB/T 34963-2017
  • Organic pHotoconductive drum for color laser printers Hot
    China National Standards
  • GB/T 34566-2017
  • Hot stamping steel sheet and strip for automobile Hot
    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 Hot
    China National Standards
  • GB/T 34355-2017
  • Steam and Hot water boiler chemical cleaning regulation Hot
    China National Standards
  • GB/T 34613-2017
  • PHotovoltaic(PV)glass—Test method and performance evaluation of exposure to hot-dry and sand-dust environment Hot
    China National Standards
  • GB/T 34561-2017
  • PHotovoltaic(PV)glass—Test method and performance evaluation of exposure to damp heat outdoor environment Hot
    China National Standards
  • GB/T 34614-2017
  • PHotovoltaic(PV)glass—Test method and performance evaluation of exposure to urban environment in temperate climate Hot
    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 Hot
    China National Standards
  • GB/T 34560.1-2017
  • Structural steels—Part 1: General technical delivery condition for Hot-rolled products Hot
    China National Standards
  • GB/T 18742.2-2017
  • Polypropylene (PP) piping systems for Hot and cold water installations—Part 2: Pipes Hot
    China National Standards
  • GB/T 34495-2017
  • Hot pressed neodymium iron boron permanent magnetic materials Hot
    China National Standards
  • GB/T 5124.4-2017
  • Hardmetals—Part 4:Determination of titanium content—PHotometric peroxide method Hot
    China National Standards
  • GB/T 34337-2017
  • PHotovoltaic vacuum glass Hot
    China National Standards
  • GB/T 5195.6-2017
  • Fluorspar—Determination of phosphorus content—PHotometric method Hot
    China National Standards
  • GB/T 18742.1-2017
  • Polypropylene (PP) piping systems for Hot and cold water installations—Part 1: General Hot
    China National Standards
  • GB/T 18742.3-2017
  • Polypropylene(PP) piping systems for Hot and cold water installations—Part 3:Fittings Hot
    China National Standards
  • GB/T 34358-2017
  • Dimension measurement of Hot free forgings and rolled rings Hot
    China National Standards
  • GB/T 34565.1-2017
  • Hot work mould steel—Part 1: Steels for casting mould Hot
    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 Hot
    China National Standards
  • GB/T 1819.9-2017
  • Methods for chemical analysis of tin concentrates—Part 9:Determination of tungsten trioxide content—The thiocyanate spectropHotometric method Hot
    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 Hot
    China National Standards
  • GB/T 4698.19-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 19:Determination of molybdenum content—Thiocyanate-differential spectropHotometry Hot
    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 Hot
    China National Standards
  • GB/T 4698.23-2017
  • Methods for chemical analysis of titanium sponge,titanium and titanium alloys—Part 23:Determination of palladium content—Stannous choride-potassium iodide spectropHotometry and inductively coupled plasma atomic emission spectrometry Hot
    China National Standards
  • GB/T 1819.11-2017
  • Methods for chemical analysis of tin concentrates—Part 11:Determination of aluminium oxide content—Chromazuzal S spectropHotometric method Hot
    China National Standards
  • GB/T 4698.3-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 3:Determination of silicon content—Molybdenum blue spectropHotometry Hot
    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 Hot
    China National Standards
  • GB/T 13747.1-2017
  • Methods for chemical analysis of zirconium and zirconium alloys—Part 1:Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectropHotometry Hot
    China National Standards
  • GB/T 4698.25-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 25:Determination of chlorine content—Silver chlorin spectropHotometry Hot
    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 Hot
    China National Standards
  • GB/T 34445-2017
  • Test method of Hot-tack property for heat sealing surfaces of thermoplastic polymer and thermoplastic composite material Hot
    China National Standards
  • GB/T 702-2017
  • Hot-rolled steel bars—Dimensions,shape,weight and tolerances Hot
    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 Hot
    China National Standards
  • GB/T 4698.22-2017
  • Methods for chemical analysis of titanium sponge ,titanium and titanium alloys—Part 22:Determination of niobium content—5-Br-PADAP spectropHotometry and inductively coupled plasma atomic emission spectrometry Hot
    China National Standards
  • GB/T 34581-2017
  • General technical requirements for pHotovoltaic system DC circuit breakers Hot
    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 Hot
    China National Standards
  • GB/T 4698.24-2017
  • Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 24:Determination of nickel content—Dimethylglyoxime spectropHotometry and inductively coupled plasma atomic emission spectrometry Hot
    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 Hot
    China National Standards
  • GB/T 20887.7-2017
  • Continuously Hot rolled high strength steel sheet and strip for automobile—Part 7:Steels for hydraulic forming Hot
    China National Standards
  • GB/T 20887.1-2017
  • Continuously Hot rolled high strength steel sheet and strip for automobile—Part 1: High yield strength steel for cold forming Hot
    China National Standards
  • GB/T 20887.6-2017
  • Continuously Hot rolled high strength steel sheet and strip for automobile—Part 6: Complex phase steel Hot
    China National Standards
  • GB/T 22571-2017
  • Surface chemical analysis—X-ray pHotoelectron spectrometers—Calibration of energy scales Hot
    China National Standards
  • GB/T 34199-2017
  • Hot-rolled H section steel for electrified railway pillars Hot
    China National Standards
  • GB/T 34176-2017
  • Chemical analysis methods for determination of Fe2+ and Fe3+ in refractory products by the spectral pHotometric method with 1,10-phenanthroline Hot
    China National Standards
  • GB/T 6730.31-2017
  • Iron ores—Determination of vanadium—N-benzoyl-N-phenylhydroxylamine extraction spectropHotometric method Hot
    China National Standards
  • GB/T 6730.30-2017
  • Iron ores—Determination of chromium content—Diphenyl carbazide spectropHotometric method Hot
    China National Standards
  • GB/T 34323-2017
  • Carbon black—Determination of light transmittance of water dispersion—SpectropHotometer method Hot
    China National Standards
  • GB/T 34201-2017
  • Seamless Hot-rolled square and rectangular steel tubes for structure Hot
    China National Standards
  • GB/T 34160-2017
  • Test method of conversion efficiency of terrestrial pHotovoltaic(PV) modules Hot
    China National Standards
  • GB/T 6730.47-2017
  • Iron ores—Determination of niobium content—Sulfochlorophenol S spectropHotometric method Hot
    China National Standards
  • GB/T 34179-2017
  • PHotovoltaic glass—Accelerated aging test method under multi-factor coupling conditions Hot
    China National Standards
  • GB/T 6730.42-2017
  • Iron ores—Determination of lead content—Dithizone spectropHotometric method Hot
    China National Standards
  • GB/T 6730.37-2017
  • Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectropHotometric method Hot
    China National Standards
  • GB/T 6730.38-2017
  • Iron ores—Determination of cobalt content—Nltroso-R salt spectropHotometric method Hot
    China National Standards
  • GB/T 34178-2017
  • Silica glass substrates for pHotomask Hot
    China National Standards
  • GB/T 6730.44-2017
  • Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthol spectropHotometric method Hot
    China National Standards
  • GB/T 6730.34-2017
  • Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectropHotometric method Hot
    China National Standards
  • GB/T 6730.39-2017
  • Iron ores—Determination of nickle content—Dimetylglyoxime spectropHotometric method Hot
    China National Standards
  • GB/T 34103-2017
  • Hot rolled H section steel for ocean engineering structure Hot
    China National Standards
  • GB/T 34106-2017
  • Hot-dip zinc or zinc-aluminium coated S-shaped steel wire wraps for bridge cables Hot
    China National Standards
  • GB/T 34142-2017
  • Radiation protection instrumentation—Highly sensitive hand-held instruments for pHoton detection of radioactive material Hot
    China National Standards
  • GB/T 6730.27-2017
  • Iron ores—Determination of fluorine content—Lanthanum-alizarin complexion spectropHotometric method Hot
    China National Standards
  • HJ 833-2017
  • (Soil and sediments - Determination of sulfide - Methylene blue spectropHotometric method) Hot
    China Environmental Protection Industry Standards
  • GB/T 33974-2017
  • Hot rolling checker steel sheet and strip Hot
    China National Standards
  • GB/T 33906-2017
  • Large-scale electronic flash apparatus for pHotographic purposes Hot
    China National Standards
  • GB/T 33975-2017
  • Hot-rolled spring steel wire rod for high-speed railway fastener Hot
    China National Standards
  • GB/T 4697-2017
  • Hot rolled steel section for mine timbering Hot
    China National Standards
  • GB/T 33873-2017
  • Testing method of energy efficiency for Hot aging test oven Hot
    China National Standards
  • GB/T 33968-2017
  • Hot rolled steel sections with improved weldability Hot
    China National Standards
  • GB/T 33954-2017
  • Hot-rolled wire rod for quenched and tempered spring steel wires Hot
    China National Standards
  • GB/T 33972-2017
  • Hot rolled steel sheet and strip for bogie frame of high-speed train Hot
    China National Standards
  • GB/T 33971-2017
  • Hot rolled wide strips for coal slurry line pipe Hot
    China National Standards
  • GB/T 33867-2017
  • Measurement for pHotosynthetic active radiation—Hemispherical radiometer method Hot
    China National Standards
  • GB/T 33976-2017
  • Corrosion resistant Hot rolled section steel for cargo oil tanks Hot
    China National Standards
  • GB/T 33865-2017
  • Calibration method for pHotosynthetic active radiometer Hot
    China National Standards
  • GB/T 33880-2017
  • Wrought aluminium silicon alloy plates and sheets from Hot isostatic pressing Hot
    China National Standards
  • GB/T 34027-2017
  • Universal joint shaft for main drive of Hot continuous rolling mill Hot
    China National Standards
  • GB/T 24238-2017
  • Hot-rolled wire rod for prestressed steel wire and strand Hot
    China National Standards
  • GB/T 33765-2017
  • DC connector for terrestrial pHotovoltaic systems Hot
    China National Standards
  • GB/T 33766-2017
  • Technical requirements for independent energy of solar pHotovoltaic system Hot
    China National Standards

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