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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 1819.3-2004
  • Methods for chemical analYSis of tin concentrates--Determination of iron content--The cerium sulfate titrimetric method YS
    China National Standards
  • GB/T 6609.18-2004
  • Chemical analYSis methods and determination of physical performanceof alumina--Determination of sulfate content--N,N-dimethyl-P-phenylenediamine spectrophotometric method YS
    China National Standards
  • GB/T 6609.28-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of the fine particle size distribution(less than 60μm)--Method using electroformed sieves YS
    China National Standards
  • GB/T 6609.9-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of cupric oxide content--2,9-Dimethyl-1,10 phenanthroline photometric method YS
    China National Standards
  • GB/T 1819.12-2004
  • Methods for chemical analYSis of tin concentrates--Determination of silicon dioxide content--The silicomolybdenum blue spectrophotometric method YS
    China National Standards
  • GB/T 6609.6-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of potassium oxide content--Flame photometric method YS
    China National Standards
  • GB/T 1819.7-2004
  • Methods for chemical analYSis of tin concentrates--Determination of bismuth content--Flame atomicabsorption spectrometric method YS
    China National Standards
  • GB/T 6609.15-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of chlorine content--Ferric thiocyanate photometric method YS
    China National Standards
  • GB/T 1819.10-2004
  • Methods for chemical analYSis of tin concentrates--Determination of sulphur content--The high frequency infrared absorption method and the combustion potassium iodate titrimetric method YS
    China National Standards
  • GB/T 1819.5-2004
  • Methods for chemical analYSis of tin concentrates--Determination of arsenic content--The molybdoantimonyarsenate blue spectrophotometric method and the distillation-iodimetric titrimetric method YS
    China National Standards
  • GB/T 1819.1-2004
  • Methods for chemical analYSisof tin concentrates--Determination of water content--The weighing method YS
    China National Standards
  • GB/T 1819.11-2004
  • Methods for chemical analYSis of tin concentrates--Determination of aluminum oxide content--The chromazuzol S spectrophotometric method YS
    China National Standards
  • GB/T 6609.3-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of silicon dioxide content--Molybdenum blue photometric method YS
    China National Standards
  • GB/T 6609.4-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of ferric oxide content--Orthophenanthroline photometric method YS
    China National Standards
  • GB/T 6609.24-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Measurement of the angle of repose YS
    China National Standards
  • GB/T 1819.6-2004
  • Methods for chemical analYSis of tin concentrates--Determination of antimony content--The malachite green spectrometric method and the flame atomic absorption spectrometric method YS
    China National Standards
  • GB/T 6609.10-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction photometric method YS
    China National Standards
  • GB/T 1819.4-2004
  • Methodsfor chemical analYSis of tin concentrates--Determination of lead content--Flameatomic absorption spectrometric method and EDTA titrimetric method YS
    China National Standards
  • GB/T 6609.25-2004
  • Chemical analYSismethods and determination of physical performance of alumina--Determination of untamped density YS
    China National Standards
  • GB/T 6609.21-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of gallium trioxide content--Butyrhodamine B spectrophotometric method YS
    China National Standards
  • GB/T 6609.29-2004
  • Chemical analYSismethods and determination of physical performance of alumina--Determination of an absorption index YS
    China National Standards
  • GB/T 19445-2004
  • Products of precious metalsand their alloYS--Packing,marking,transporting and storing YS
    China National Standards
  • GB/T 6609.20-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of magnesia content--Flame atomic absorption spectrophotometric method YS
    China National Standards
  • GB/T 6609.7-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of titanium dioxide content--Diantiprylmehane photometric method YS
    China National Standards
  • GB/T 6609.8-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of chromium sesquioxide content--Diphenyl carbazide photometric method YS
    China National Standards
  • GB/T 6609.17-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of phosphorus pentoxide content--Molybdenum blue spectrophotometric method YS
    China National Standards
  • GB/T 6609.12-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of zinc oxide content--Flame atomic absorption spectrophotometricmethod YS
    China National Standards
  • GB/T 6609.13-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of calcium oxide content--Flame atomic absorption spectrophotometric method YS
    China National Standards
  • GB/T 6609.16-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of boron trioxide content--Curcumin spectrophotometric method YS
    China National Standards
  • GB/T 6609.14-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of fluorine content--Lanthanum-alizarincomplexone spectrophotometric method YS
    China National Standards
  • GB/T 6609.22-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Sampling YS
    China National Standards
  • GB/T 6609.26-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Determination of absolute density--Pycnometer method YS
    China National Standards
  • GB/T 6609.23-2004
  • Chemical analYSis methods and determination of physical performance of alumina--Preparation andstorage of test samples YS
    China National Standards
  • GB/T 12747.2-2004
  • Shunt power capacitors of the self-healing type for a.c.sYStems having a rated voltage up to and including 1000V--Part 2:Ageing test,self-healing test and destruction test YS
    China National Standards
  • GB/T 12747.1-2004
  • Shunt power capacitors of the self-healing type for a.c. sYStems having a rated valtage up to and including 1000V--Part 1:General--Performance,testing and rating--Safety requirements--Guide for installation and operation YS
    China National Standards
  • GB/T 19443-2004
  • Insulators for overhead lines with a nominal voltage above 1000V--Ceramic or glass insulator units for d.c. sYStems--Difinitions,test methods and acceptance criteria YS
    China National Standards
  • CJJ 100-2004
  • Technical specification for urban fundamental geographic information sYStem YS
    China Urban Construction industry Standards
  • JG/T 158-2004
  • External thermal insulating rendering sYStems made of mortar with mineral binder and using expanded polystyrene granule as aggregate YS
    China Building & Construction Standards
  • JJG(MH)0070-2004
  • TCAS-201 Traffic Alert and Collision Avoidance SYStem Ramp Test Set YS
    China Metrological Standards
  • JJG 051-2004
  • Automated Rut-Depth Measuring SYStem YS
    China Metrological Standards
  • JJG(JT)051-2004
  • Automated Rut-Depth Measuring SYStem YS
    China Metrological Standards
  • HG 3550-2004
  • Ammonia synthesis catalYSt YS
    China Chemical Industry Standards
  • SY/T 6557-2003
  • Guidelines for application of water spray sYStems for fire protection in the petroleum industry YS
    China Oil & Gas Industry Standards
  • SY/T 10045-2003
  • Application of safety instrumented sYStems for the process industries YS
    China Oil & Gas Industry Standards
  • SY/T 6009.1-2003
  • Test method of samples of geochemical exploration for oil and gas. Part 1: Determination of acidolYSis hydrocarbons. Gas chromatography YS
    China Oil & Gas Industry Standards
  • SY/T 6569-2003
  • Economical operation for water injection sYStem of oil field YS
    China Oil & Gas Industry Standards
  • SY/T 6066-2003
  • The method of energy consumption test and calculation for crude oil pipeline transport sYStem YS
    China Oil & Gas Industry Standards
  • SY/T 5171-2003
  • Specification for surveying in petroleum geophYSical exploration YS
    China Oil & Gas Industry Standards
  • SY/T 6541-2003
  • Environmental test and reliability for geophYSical exploration instrument YS
    China Oil & Gas Industry Standards
  • SY/T 6553-2003
  • Piping inspection code Inspection, repair, alteration, and rerating of in-service piping sYStems YS
    China Oil & Gas Industry Standards
  • SY/T 5415-2003
  • Use and dull grading sYStem of bits YS
    China Oil & Gas Industry Standards
  • SY/T 6567-2003
  • Code for energy saving and economical operation of natural gas transmission pipeline sYStem YS
    China Oil & Gas Industry Standards
  • SY/T 0055-2003
  • Survey code for long-distance oil and gas pipeline sYStems YS
    China Oil & Gas Industry Standards
  • DL/T 843-2003
  • Specification for A. C. exciter rectifier excitation sYStem for large turbine generators YS
    China Electricity & Power Standards
  • DL/T 5179-2003
  • Design guide for concrete preheating sYStem of hydropower and water conservancy project YS
    China Electricity & Power Standards
  • DL/T 836-2003
  • Reliability evaluation code for customer service in power supply sYStem YS
    China Electricity & Power Standards
  • DL/T 5175-2003
  • Technical rule for designing thermodynamic control sYStem of fossil fuel power plants YS
    China Electricity & Power Standards
  • YD/T 1293-2003
  • Ip Over WDM integrated network management sYStem technical specification YS
    China Telecommunication Standards
  • GB/T 19427-2003
  • Method for the determination of rutin,myricetin,quercetin,kaempferol,apigenin,pinocembrin,chrYSin,galangin contents in propolis--LC-MS-MS detection method and LC-UV detection method YS
    China National Standards
  • JJF 1112-2003
  • Rules for confirmation of metrology testing sYStem YS
    China Metrological Standards
  • SJ 20865-2003
  • AnalYSis method for molybdenum-rhenium alloy YS
    China Electronics Standards
  • GY/T 198-2003
  • Specifications and methods of measurement on QAM modulator used in digital cable broadcasting sYStem YS
    China Radio, Film & TV Industry Standards
  • GB/T 19022-2003
  • Measurement management sYStems--Requirements for measurement processes and measuring equipment YS
    China National Standards
  • SJ 20892-2003
  • Specification for anodic coatings for aluminum and aluminum alloYS YS
    China Electronics Standards
  • SJ 20885-2003
  • General specification for GPS radiosonde sYStem YS
    China Electronics Standards
  • SJ 20881-2003
  • Technique requirements of secure certificate management sYStem YS
    China Electronics Standards
  • GB/T 7932-2003
  • Pneumatic fluid power--General rules relating tosYStems YS
    China National Standards
  • GB/T 19412-2003
  • Method of measurement and rating of air conditioning sYStem with thermal storage YS
    China National Standards
  • GB/T 2346-2003
  • Fluid power sYStems and components--Nominal pressures YS
    China National Standards
  • GB/T 16608.1-2003
  • Electromechanical elementary all-or-nothing relaYS of assessed quality--Part 1:Generic specification YS
    China National Standards
  • GB/T 18794.7-2003
  • Information technology--Open SYStems Interconnection--Security frameworks for open systems--Part 7:Security audit and alarms framework YS
    China National Standards
  • GB/T 18794.6-2003
  • Information technology--Open SYStems Interconnection--Security frameworks for open systems--Part 6:Integrity framework YS
    China National Standards
  • GB/T 18794.3-2003
  • Information technology--Open SYStems Interconnection--Security frameworks for open systems--Part 3:Access control framework YS
    China National Standards
  • GB/T 18794.5-2003
  • Information technology--Open SYStems Interconnection--Security frameworks for open systems--Part 5:Confidentiality framework YS
    China National Standards
  • GB/T 16681-2003
  • Information technology--Chinese interface specifications of open sYStem YS
    China National Standards
  • GB/T 18910.2-2003
  • Liquid crYStal and solid-state display devices--Part 2:Liquid crystal display modules sectional specification YS
    China National Standards
  • GB/T 18794.4-2003
  • Information technology--Open SYStems Interconnection--Security frameworks for open systems--Part 4:Non-repudiation framework YS
    China National Standards
  • GB/Z 19398-2003
  • Industrial automation sYStems and integration--Operating conditions for discrete part manufacturing-equipment in industrial environments YS
    China National Standards
  • GB 7667-2003
  • The dose of X-raYS leakage from electron microscope YS
    China National Standards
  • GB/T 19393-2003
  • Rating of direct coupled photovoltaic(PV)--Pumping sYStems YS
    China National Standards
  • GB/T 19391-2003
  • The terms and definition related to global positioning sYStem(GPS) YS
    China National Standards
  • GB/T 12690.12-2003
  • Chemical analYSis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of thorium content--Arsenazo III spectrophotometric method and inductively coupled plasma mass spectrum method YS
    China National Standards
  • GB/T 12690.4-2003
  • Chemical analYSis methods for non-rare earth impurities ofrare earth metals and their oxides--Determination of oxygen and nitrogen content--Impulse-infrared and impulse-thermal conductance absorption method YS
    China National Standards
  • GB/T 12690.11-2003
  • Chemical analYSis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of magnesium content--Flame atomic absorptionspectrometric method YS
    China National Standards
  • GB/T 12690.6-2003
  • Chemical analYSis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of iron content--Kalium thiocyanate,1,10-phenanthroline spectrophotometric method YS
    China National Standards
  • GB/T 12690.5-2003
  • Chemical analYSis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of Al、Cr、Mn、Fe、Co、Ni、Cu、Zn、Pb content by inductively coupled plasma atomic emission spectrographic method--Determination of Co、M YS
    China National Standards
  • GB/T 12690.10-2003
  • Chemical analYSis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method YS
    China National Standards
  • GB/T 12690.7-2003
  • Chemical analYSis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of silicon content--Molybdenum blue spectrophotometric method YS
    China National Standards
  • GB/T 12690.8-2003
  • Chemical analYSis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of sodium content--Flame atomic absorption spectrometric method YS
    China National Standards
  • GB/T 12690.13-2003
  • Chemical analYSis methods for non-rareearth impurities of rare earth metals and their oxides--Determination of molybdenum and tungsten content--Induct-ively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum YS
    China National Standards
  • GB/T 12690.9-2003
  • Chemical analYSis methods for non-rare earth impurities of rare earth metals andtheir oxides--Determination of chlorine content--Silver nitrate turbidimetric method YS
    China National Standards
  • GB/T 19364-2003
  • Machinery forforestry--Wheeled special machines--Vocabulary,performance test methods and criteria for brake sYStems YS
    China National Standards
  • GB/T 19345-2003
  • Amorphous and nanocrYStalline soft magnetic alloy strips YS
    China National Standards
  • GB/T 19346-2003
  • Measuring method of magnetic properties at alternative current for amorphous and nanocrYStalline soft magnetic alloys YS
    China National Standards
  • GB/T 5153-2003
  • Designation and composition of wrought magnesium and magnesium alloYS YS
    China National Standards
  • TB/T 2073-2003
  • Technical specification of fittings for overhead contact sYStem in electrification railway YS
    China Railway & Train Standards
  • TB/T 2074-2003
  • Test methods of fittings for overhead contact sYStem in electrification railway YS
    China Railway & Train Standards
  • GB/T 19353-2003
  • Vitreous and porcelain enamels--Corrosion tests in closed sYStems YS
    China National Standards
  • GB/T 9791-2003
  • Chromate conversion coatings on zinc,cadmium,aluminium-zinc alloYS and zinc-aluminium alloys--Test methods YS
    China National Standards
  • GB 19344-2003
  • Technique requirement and test method of leaking-safety of gas supply sYStem on using gas vehicle YS
    China National Standards

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