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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 12060.16-2017
  • Sound sYStem equipment—Part 16: Objective rating of speech intelligibility by speech transmission index YS
    China National Standards
  • GB/T 34940.2-2017
  • Static transfer sYStems(STS)—Part 2: Electromagnetic compatibility(EMC) requirements YS
    China National Standards
  • GB/T 34428.5-2017
  • Communication rules of the devices of surveillance and control sYStem for expressway—Part 5:Tunnel environment detector YS
    China National Standards
  • GB 34466-2017
  • Feed additive―L-lYSine monohydrochloride YS
    China National Standards
  • GB/T 15970.7-2017
  • Corrosion of metals and alloYS—Stress corrosion testing—Part 7: Slow strain rate testing YS
    China National Standards
  • GB/T 27204-2017
  • Confromity assessment—Guidelines for determining the duration of management sYStem certification audits YS
    China National Standards
  • GB/T 35209-2017
  • Flue gas DeNOx catalYSt regeneration technical criterion YS
    China National Standards
  • GB/T 13747.20-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 20:Determination of hafnium content—Inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 22720.1-2017
  • Rotating electrical machines—Qualification and quality control tests of partial discharge free electrical insulation sYStems (Type I) used in rotating electrical machines fed from voltage converters YS
    China National Standards
  • GB/T 20068-2017
  • Technical requirements of shipborne automatic identification sYStem YS
    China National Standards
  • GB/T 34499.2-2017
  • Methods for chemical analYSis of iridium compounds—Part 2:Determination of silver, gold, platinum, palladium, rhodium, ruthenium, aluminium, copper, iron, nickel, lead, magnesium, manganese, tin, zinc, calcium, sodium, potassium, silicon content—Ind YS
    China National Standards
  • GB/T 34950-2017
  • Reference model of unstructured data management sYStem YS
    China National Standards
  • GB/T 34362-2017
  • Non-destructive testing—Guide for eddy current testing using conformable sensor arraYS YS
    China National Standards
  • GB/T 34174-2017
  • Surface chemical analYSis—Proposed procedure for certifying the retained areic dose in a working reference material produced by ion implantation YS
    China National Standards
  • GB/T 34326-2017
  • Surface chemical analYSis—Depth profiling—Methods for ion beam alignment and the associated measurement of current or current density for depth profiling in AES and XPS YS
    China National Standards
  • GB/T 20899.14-2017
  • Methods for chemical analYSis of gold ores-Part 14: Determination of thallium content - Inductively coupled plasma atomic emission spectrometry and inductively coupled plasma mass spectrometry YS
    China National Standards
  • GB/T 34875-2017
  • Shaft sealing sYStems for centrifugal and rotary pumps YS
    China National Standards
  • GB/T 20173-2013
  • Petroleum and natural gas industries―Pipeline transportation sYStems―Pipeline valves YS
    China National Standards
  • GB/T 34981.3-2017
  • Specification of data for organization statistics and real-name management sYStem—Part 3: Data dictionary YS
    China National Standards
  • GB/T 20176-2006
  • Surface chemical analYSis-Secondary-ion mass spectrometry-Determination of boron atomic concentration in silicon using uniformly doped materials YS
    China National Standards
  • GB/T 34900-2017
  • Micro-electromechanical sYStem technology—Measuring method for residual strain measurements of MEMS microstructures using an optical interferometer YS
    China National Standards
  • GB/T 34617-2017
  • Evaluation method of energy consumption for district heating sYStem YS
    China National Standards
  • GB/T 6911-2017
  • Determination of sulfate in water for industrial circulating cooling sYStem and boiler YS
    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 YS
    China National Standards
  • GB/T 34630.2-2017
  • Friction stir welding—Aluminium and its alloYS—Part 2:Design of weld joints YS
    China National Standards
  • GB/T 16555-2017
  • Chemical analYSis of refractories containing carbon and silicon carbide or nitride YS
    China National Standards
  • GB/T 34923.3-2017
  • Street lights control and management sYStem—Part 3: Technical specification of street lights control and management terminal YS
    China National Standards
  • GB/T 23592-2017
  • CatalYSt for motorcycle exhaust purification YS
    China National Standards
  • GB/T 34923.4-2017
  • Street lights control and management sYStem—Part 4: Technical specification of street lights controller YS
    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 YS
    China National Standards
  • GB/T 28264-2017
  • Lifting appliances—Safety monitoring sYStem YS
    China National Standards
  • GB/T 34872-2017
  • Technical requirement of hydrogen supply sYStem for proton exchange membrane fuel cells YS
    China National Standards
  • GB/T 34483-2017
  • β transus temperature determination methods of zirconium and zirconium alloYS YS
    China National Standards
  • GB/T 13747.13-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 13: Determination of lead content—Polarography YS
    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 YS
    China National Standards
  • GB/T 34339-2017
  • Ammonia injection and mixing sYStem in coal-fired flue gas denitration system YS
    China National Standards
  • GB/T 13747.17-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 17:Determination of cadmium content—Polarography YS
    China National Standards
  • GB/T 34489-2017
  • Aluminium alloYS extruded profiles and sheets for roofing structure YS
    China National Standards
  • GB/T 14427-2017
  • AnalYSis of water used in boiler and cooling system—Determination of iron YS
    China National Standards
  • GB/T 34630.5-2017
  • Friction stir welding—Aluminium and its alloYS—Part 5:Quality and inspection requirements YS
    China National Standards
  • GB/T 34386-2017
  • Web-fed print quality inspection sYStem YS
    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 YS
    China National Standards
  • GB/T 34680.3-2017
  • Evaluation model and general evaluation indicator sYStem for smart cities—Part 3:Information resources YS
    China National Standards
  • GB/T 34923.2-2017
  • Street lights control and management sYStem—Part 2: Technical specification of master station YS
    China National Standards
  • GB/T 18882.2-2017
  • Chemical analYSis methods for mixed rare earth oxide of ion-absorpted type rare earth ore—Part 2:Determination of aluminum oxide content YS
    China National Standards
  • GB/T 14265-2017
  • General rule of chemical analYSis for hydrogen,oxygen,nitrogen,carbon and sulfur in metallic materials YS
    China National Standards
  • GB/T 13747.16-2017
  • Methods for chemical analYSis of zirconium and zirconium alloys—Part 16:Determination of chloric content—Silver chloride nephelometry and ion selective electrode method YS
    China National Standards
  • GB/T 34308.3-2017
  • Sports information classification and code—Part 3: Sport phYSiology, biochemistry and nutrition index codes YS
    China National Standards
  • GB/T 34955-2017
  • Atmospheric radiation effects—Guidelines for single event effects testing for avionics sYStems YS
    China National Standards
  • GB/T 21412.5-2017
  • Petroleum and natural gas industries—Design and operation of subsea production sYStems—Part 5: Subsea umbilicals YS
    China National Standards
  • GB/T 34511-2017
  • Relative motion analYSis elements after LV/SC separation YS
    China National Standards
  • GB/T 34890-2017
  • Geometrical product specification(GPS)—Acceptance and reverification tests for digital photogrammetry 3D coordinate measuring sYStem YS
    China National Standards
  • GB/T 34980.1-2017
  • Technical requirement for smart terminal software platform—Part 1: Operating sYStem YS
    China National Standards
  • GB/T 2930.2-2017
  • Rules of seed testing for forage, turfgrass and other herbaceous plant—The purity analYSis YS
    China National Standards
  • GB/T 34999-2017
  • Technical requirements and measurement methods for digital audio recording sYStem in broadcast center YS
    China National Standards
  • GB/T 1236-2017
  • Industrial fan—Performance testing using standardized airwaYS YS
    China National Standards
  • GB/T 34703-2017
  • Test method of catalytic activity for platinum-carbon catalYSts YS
    China National Standards
  • GB/T 34932-2017
  • Technical specification for remote monitoring and control sYStem of distributed photovoltaic power generation system YS
    China National Standards
  • GB/T 34581-2017
  • General technical requirements for photovoltaic sYStem DC circuit breakers YS
    China National Standards
  • GB/T 19346.2-2017
  • Methods of measurement for amorphous and nanocrYStalline alloys—Part 2: Lamination factor of amorphous alloy strips YS
    China National Standards
  • GB/T 34748-2017
  • Genetic diversity analYSis on aquatic germplasm by genomic DNA microsatellite markers YS
    China National Standards
  • GB/T 12149-2017
  • Determination of silica in water for industrial circulating cooling sYStem and boiler YS
    China National Standards
  • GB/T 34796-2017
  • Quantification and purity analYSis of nucleic acid concentration in solution—Ultraviolet spectrophotometry YS
    China National Standards
  • GB/T 34428.2-2017
  • Communication rules of the devices of surveillance and control sYStem for expressway—Part 2:Vehicle detector YS
    China National Standards
  • GB/T 34937-2017
  • Insulators for overhead lines—Composite suspension and tension insulators for d.c.sYStems with a nominal voltage greater than 1500 V—Definitions, test methods and acceptance criteria YS
    China National Standards
  • GB/T 34925-2017
  • On-site inspections method of a.c. circuit sYStems for 110 kV substations on plateau YS
    China National Standards
  • GB/T 34428.1-2017
  • Communication rules of the devices of surveillance and control sYStem for expressway—Part 1: Universal rules YS
    China National Standards
  • GB/T 34248-2017
  • Performance test method of three-way catalYSt YS
    China National Standards
  • GB/T 10414-2017
  • Synchronous belt drives—Automotive synchronous pulleYS YS
    China National Standards
  • GB/T 34415-2017
  • Cavity ring-down spectroscopy sYStem for measurement of atmospheric carbon dioxide YS
    China National Standards
  • GB/T 20170.2-2006
  • Test method of phYSical characters of rare earth metals and compounds Determination on specific surface area of rare earth compounds YS
    China National Standards
  • GB/T 34894-2017
  • Micro-electromechanical sYStem technology—Measuring method for strain gradient measurements of MEMS microstructures using an optical interferometer YS
    China National Standards
  • GB/T 34898-2017
  • Micro electromechanical sYStem technology—Test method for the nonlinear vibration of the MEMS resonant sensitive element YS
    China National Standards
  • GB/T 34042-2017
  • General specification for on-line analyzer sYStems YS
    China National Standards
  • GB/T 4698.1-2017
  • Methods for chemical analYSis of titanium sponge, titanium and titanium alloys—Part 1:Determination of copper content—Flame atomic absorption spectrometry YS
    China National Standards
  • GB/T 34210-2017
  • Test method for determining the orientation of sapphire single crYStal YS
    China National Standards
  • GB/T 34940.3-2017
  • Static transfer sYStems(STS)—Part 3: Method for specifying performance and test requirements YS
    China National Standards
  • GB/T 34630.1-2017
  • Friction stir welding—Aluminium and its alloYS—Part 1:Terminology and definition YS
    China National Standards
  • GB/T 34609.1-2017
  • Method for chemical analYSis of rhodium compounds—Part 1: Determination of rhodium content—Gravimetric method with hexaammine cobalt nitrate YS
    China National Standards
  • GB/T 19516-2017
  • Wired-emergency telephone sYStem of expressway YS
    China National Standards
  • GB/T 23002-2017
  • Integration of informatization and industrialization management sYStems—Implementation guidance YS
    China National Standards
  • GB/T 22780-2017
  • Liquid crYStal displaying quartz watches YS
    China National Standards
  • GB/T 34203-2017
  • Corrosion of metals and alloYS—Air pollutant monitoring and analysis methods YS
    China National Standards
  • GB/T 1819.13-2017
  • Methods for chemical analYSis of tin concentrates—Part 13: Determination of magnesium oxide content,calcium oxide content—Flame atomic absorption spectrometric method YS
    China National Standards
  • GB/T 34630.4-2017
  • Friction stir welding—Aluminium and its alloYS—Part 4:Specification and qualification of welding procedures YS
    China National Standards
  • GB/T 34630.3-2017
  • Friction stir welding—Aluminium and its alloYS—Part 3:Qualification of welding operators YS
    China National Standards
  • GB/T 34352-2017
  • Cleaning guide for the boiler and sYStem with organic heat transfer fluids YS
    China National Standards
  • GB/T 4698.27-2017
  • Methods for chemical analYSis of titanium sponge, titanium and titanium alloys—Part 27:Determination of neodymium content—Inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 27748.3-2017
  • Stationary fuel cell power sYStem—Part 3: Installation YS
    China National Standards
  • GB/T 1819.7-2017
  • Methods for chemical analYSis of tin concentrates—Part 7:Determination of bismuth content—Flame atomic absorption spectrometric method YS
    China National Standards
  • GB/T 4698.28-2017
  • Methods for chemical analYSis of titanium sponge, titanium and titanium alloys—Part 28:Determination of ruthenium content—Inductively coupled plasma atomic emission spectrometry YS
    China National Standards
  • GB/T 34480-2017
  • Aluminum alloYS die forgings, hand forgings, and rolled ring forgings from spray-formed billet YS
    China National Standards
  • GB/T 34481-2017
  • Test method for measuring etch pit density (EPD) in low dislocation density monocrYStalline germanium slices YS
    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 YS
    China National Standards
  • GB/T 34899-2017
  • Micro-electromechanical sYStem technology—Measuring method of microstructure surface stress based on Raman spectroscopy YS
    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 YS
    China National Standards
  • GB/T 34428.4-2017
  • Communication rules of the devices of surveillance and control sYStem for expressway—Part 4:Weather detector YS
    China National Standards
  • GB/T 34296-2017
  • Specification of hail event surveYS YS
    China National Standards
  • GB/T 34428.3-2017
  • Communication rules of the devices of surveillance and control sYStem for expressway—Part 3:LED changeable message sign YS
    China National Standards
  • GB/T 18948-2017
  • Rubber hoses and tubing for cooling sYStems for internal-combustion engines—Specification YS
    China National Standards

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