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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 223.54-1987
  • Methods for chemical analYSis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of nickel content YS
    China National Standards
  • GB/T 7731.5-1987
  • Methods for chemical analYSis of ferrotungsten--The molybdenum blue photometric method for the determination of silicon content YS
    China National Standards
  • GB/T 223.57-1987
  • Methods for chemical analYSis of iron,steel and alloy--The extraction-absorption catalytic polarographic method for the determination of cadmium content YS
    China National Standards
  • GB/T 7729-1987
  • Chemical analYSis of metallurgical products--General rule for spectrophotometric methods YS
    China National Standards
  • GB/T 7731.4-1987
  • Methods for chemical analYSis of ferrotungsten--The molybdenum blue photometric method for the determination of phosphorus content YS
    China National Standards
  • GB/T 7731.1-1987
  • Methods for chemical analYSis of ferrotungsten--The cinchonine gravimetric method for the determination of tungsten content YS
    China National Standards
  • GB/T 7728-1987
  • Chemical analYSis of metallurgical products--General rule for flame atomic absorption spectrometric methods YS
    China National Standards
  • GB/T 7615-1987
  • CATV SYStem--Antenna part YS
    China National Standards
  • GB/T 7585-1987
  • Capacity series and radio-frequency channel arrangement for analog microwave relay sYStems YS
    China National Standards
  • SJ/Z 2782-1987
  • Method of analYSis for overall activation process of non-evaporable getrters (catmasphere method) YS
    China Electronics Standards
  • GB/T 7393-1987
  • Basic size of outlet of cable distribution sYStems intended for sound and television signals YS
    China National Standards
  • GB/T 7399-1987
  • Helical-scan video tape cassette sYStem using 12.65 mm magnetic tape on type VHS YS
    China National Standards
  • GB/T 7488-1987
  • Water quality--Determination of biochemical oxygen demand after 5 daYS(BOD5)--Dilution and seeding method YS
    China National Standards
  • GB/T 7313-1987
  • Minimum performance requirements and methods of measurement for high fidelity loudspeaker sYStems YS
    China National Standards
  • SJ 2779-1987
  • Precision shafts for tape transmission sYStems of cassette tape recorders YS
    China Electronics Standards
  • SJ 2741-1987
  • Capacity series and r. f. waveguide adaptations of digital microwave link communication sYStems YS
    China Electronics Standards
  • YD 322-1987
  • (Over 12 road open wire carrier sYStems and equipment technical requirements) YS
    China Telecommunication Standards
  • TBJ 103-1987
  • (Chemical analYSis of geotechnical engineering Railway) YS
    China Railway & Train Standards
  • TBJ 104-1987
  • (Water quality analYSis of railway engineering) YS
    China Railway & Train Standards
  • JT/T 4533-1987
  • (Marine engine room alarm sYStem technical requirements) YS
    China Highway & Transportation Standards
  • JTJ 262-1987
  • (Lock design specification (Trial) The second water sYStem design) YS
    China Highway & Transportation Standards
  • JJG 2007-1987
  • Verification SYStem of Time and Frequency Measuring Instruments YS
    China Metrological Standards
  • SY 7507-1987
  • (Natural gas - Determination of water electrolYSis) YS
    China Oil & Gas Industry Standards
  • SY 5162-1987
  • (Scanning electron microscopy analYSis of rock samples Method) YS
    China Oil & Gas Industry Standards
  • JTJ 253-1987
  • Code for design of dock gates and filling and emptying sYStems of dry docks YS
    China Highway & Transportation Standards
  • SY 5163-1987
  • (Quantitative analYSis of sedimentary clay minerals was determined by X-ray diffraction) YS
    China Oil & Gas Industry Standards
  • SY 5168-1987
  • (Oil drilling equipment parts classification and coding sYStem (SYBM-1)) YS
    China Oil & Gas Industry Standards
  • SJ/Z 2740-1986
  • Guide to Quality assurance sYStem for electric industrial enterprises YS
    China Electronics Standards
  • HG/T 3021-1986
  • (Determination of unplasticized cellulose acetate, acetic acid hydrolYSis values) YS
    China Chemical Industry Standards
  • SJ 2739-1986
  • Performance requirements for gear speed reduction unit of electrical micro-machines for automatic control sYStems YS
    China Electronics Standards
  • SJ 2738-1986
  • Basic parameters for gear speed reduction unit of electrical micro-machines for automatic control sYStems YS
    China Electronics Standards
  • GB/T 6974.15-1986
  • Lifting appliances--Vocabulary--Underslung monorail sYStems YS
    China National Standards
  • SJ 2716-1986
  • Completeness and preparation of design documentation for digital computer sYStems YS
    China Electronics Standards
  • GY/T 38-1986
  • Technical requirements for short distance optical cable transmission sYStem of TV program YS
    China Radio, Film & TV Industry Standards
  • GB/T 6767-1986
  • Radiochemical analYSis of cesium-137 in water YS
    China National Standards
  • GB/T 6764-1986
  • Radiochemical analYSis of strontium-90 in water--Precipitation by fuming nitric acid YS
    China National Standards
  • GB/T 6766-1986
  • Radiochemical analYSis of strontium-90 in water--Extraction chromatography by di-(2-ethylhexyl) phosphori acid YS
    China National Standards
  • GB/T 6768-1986
  • Methods of analYSing microquantity of uranium in water YS
    China National Standards
  • GB/T 6808-1986
  • Anodizing of aluminium and its alloYS--Accelerated test of light fastness of coloured anodic oxide coatings using artificial light YS
    China National Standards
  • GB/T 6730.8-1986
  • Methods for chemical analYSis of iron ores--The potassium dichromate volumetric method for the determination of iron (Ⅱ)content YS
    China National Standards
  • GB/T 6730.7-1986
  • Methods for chemical analYSis of iron ores--The sulfosalicylic acid photometric method for the determination of metallic iron content YS
    China National Standards
  • GB/T 6730.51-1986
  • Methods for chemical analYSis of iron ores--The caustic asbestos absorption gravimetric method for the determination of carbon content in carbonate YS
    China National Standards
  • GB/T 6730.6-1986
  • Methods for chemical analYSis of iron ores--The ferric chloride-sodium acetate volumetric method for the determination of metallic iron content YS
    China National Standards
  • GB/T 6730.1-1986
  • Methods for chemical analYSis of iron ores--Preparation of predried test samples for chemical analysis YS
    China National Standards
  • GB/T 6730.3-1986
  • Methods for chemical analYSis of iron ores--The gravimetric method for the determination of hygroscopic moisture content in analytical samples YS
    China National Standards
  • GB/T 6730.48-1986
  • Methods for chemical analYSis of iron ores--The dithio diantipyryl methane photometric method for the determination of bismuth content YS
    China National Standards
  • GB/T 6730.14-1986
  • Methods for chemical analYSis of iron ores--The flame atomic absorption spectrophotometric method for the determination of calcium and magnesium content YS
    China National Standards
  • GB/T 6730.50-1986
  • Methods for chemical analYSisof iron ores--The gas volumetric method for the determination of total carbon content YS
    China National Standards
  • GB/T 6730.49-1986
  • Methods for chemical analYSis of iron ores--The flame atomic absorption spectrophotometric method for the determination of sodium and potassium content YS
    China National Standards
  • GB/T 6730.36-1986
  • Methods for chemical analYSis of iron ores--The flame atomic absorption spectrophotometric method for the determination of copper content YS
    China National Standards
  • GB/T 6667-1986
  • Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 2:Measurements for sub-systems--Section two:measurements in the antennas and passive repeaters YS
    China National Standards
  • GB/T 6662-1986
  • Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 1:Measurements common to sub-systems and simulated systems--Section three--Measurements in the intermediate-frequency range YS
    China National Standards
  • GB/T 6627-1986
  • Designations for lumbered synthetic quartz crYStals YS
    China National Standards
  • GB/T 6598-1986
  • Determination of weight-average molecular weight of polYStyrene standards by low angle laser light scattering method YS
    China National Standards
  • GYJ 25-1986
  • Indices of acoustic characteristics for sound reinforcement sYStem in halls and rooms YS
    China Radio, Film & TV Industry Standards
  • SJ 2708-1986
  • Cable distribution sYStem for sound and television signals--Graphical symbols YS
    China Electronics Standards
  • GB/T 6430-1986
  • The rule of type designation for crYStal holders (enclosures) YS
    China National Standards
  • GB/T 6429-1986
  • The rule of type designation for quartz crYStalunits YS
    China National Standards
  • QB/T 3833-1999
  • Testing method of the oxidation treatment coatings of the aluminum and aluminum alloYS for the light industrial pro YS
    China Light Industry Standards
  • SJ 2684-1986
  • PhYSical Demensions For Light Emitting Device Of Semiconductor YS
    China Electronics Standards
  • JJG 409-1986
  • Verification regulation of thermal voltage convertors in RF coaxial guide sYStems YS
    China Metrological Standards
  • GB/T 5839-1986
  • Rating sYStems for electronic tubes and semiconductor devices YS
    China National Standards
  • SJ/Z 2655-1986
  • Collection of single crYStal Germaninm defects YS
    China Electronics Standards
  • SJ 2656-1986
  • Method for tugsten spectral analYSis YS
    China Electronics Standards
  • SJ 2657-1986
  • Method for molybdenum spectral analYSis YS
    China Electronics Standards
  • GB/T 5889-1986
  • Method of quantitative analYSis of ramie chemical components YS
    China National Standards
  • GB/T 5881-1986
  • Sampling method of phYSical and chemical properties of ramie fiber YS
    China National Standards
  • QB 972-1986
  • (Household ceramic mold with plaster phYSical performance test methods) YS
    China Light Industry Standards
  • QB 973-1986
  • (Daily ceramic paste apparent porosity and bulk density analYSis) YS
    China Light Industry Standards
  • SY 5122-1986
  • (Rock organic carbon, hydrogen, oxygen trace analYSis) YS
    China Oil & Gas Industry Standards
  • JJG 89-1986
  • (Long flat crYStal verification procedures) YS
    China Metrological Standards
  • SY 5116-1986
  • (Organic Carbon AnalYSis of Rock) YS
    China Oil & Gas Industry Standards
  • SY 5120-1986
  • (Rock chloroform extract and oil saturated hydrocarbon gas chromatographic analYSis) YS
    China Oil & Gas Industry Standards
  • SY 5119-1986
  • (AnalYSis of Rock soluble organic matter and crude ethnic composition) YS
    China Oil & Gas Industry Standards
  • SY 5117-1986
  • (Rock-Eval analYSis) YS
    China Oil & Gas Industry Standards
  • GB/T 5687.4-1985
  • Methods for chemical analYSis of ferrochromium--The neutralization titration method for the determination of nitrogen content YS
    China National Standards
  • GB/T 5442-1985
  • The test methods for the technical specifications of inband pulsing single frequency line signalling sYStem for automatic telephone switching network YS
    China National Standards
  • YD/T 558-1992
  • The "Xin-8" Transposltion sYStem for open-wire telecommunication lines YS
    China Telecommunication Standards
  • YD/T 557-1992
  • The "Xin-4" transposltion sYStem for open-wire telecommunication lines YS
    China Telecommunication Standards
  • SJ 2594-1985
  • Method for the analYSis of boron and metalic impurities in pure SiC14-Spectro-chemical method YS
    China Electronics Standards
  • SJ 2595-1985
  • Method for the analYSis of trace phosphorous in pure SiC14--Method spectrophotometry YS
    China Electronics Standards
  • GB/T 223.48-1985
  • Methods for chemical analYSis of iron,steel and alloy--The semixylenol orange photometric method for the determination of bismuth content YS
    China National Standards
  • GB/T 223.41-1985
  • Methods for chemical analYSis of iron,steel and alloy--The anion-exchange separation-pyrogallol photometric method for the determination of tantalum content YS
    China National Standards
  • GB/T 223.42-1985
  • Methods for chemical analYSis of iron,steel and alloy--The anion-exchange separation-bromopyrogallol red photometric method for the determination of tantalumcontent YS
    China National Standards
  • GB/T 223.38-1985
  • Methods for chemical analYSis of iron,steel and alloy--The anion-exchange separation-gravimetric method for the determination of niobium content YS
    China National Standards
  • JC/T 793-1985
  • The methods for the calculation of the efficiency, unit heat consumption and unit coal consumption of tunnel dryer annular kiln sYStem YS
    China Building Materials Standards
  • HG/T 2954-1985
  • Layouts of standard of atomic absorption spectrometric analYSis for chemical products YS
    China Chemical Industry Standards
  • SJ 2592-1985
  • Quartz crYStal monolithic filters for Type LSP10. 7MA (~E) YS
    China Electronics Standards
  • GB/T 5124.3-1985
  • Methods for chemical analYSisof hardmetals--The potentiometric method for the determination of cobalt content YS
    China National Standards
  • GB/T 5124.4-1985
  • Methods for chemical analYSis of hardmetals--The photometric peroxide method for the determination of titanium content YS
    China National Standards
  • GB/T 4702.9-1985
  • Methods for chemical analYSis of chromium metal--The crystal violet spectrophotometric method for the determination of antimony content YS
    China National Standards
  • GB/T 4702.10-1985
  • Methods for chemical analYSis of chromium metal--The cupral spectrophotometric method for the determination of copper content YS
    China National Standards
  • GB/T 4702.8-1985
  • Methods for chemical analYSis of chromium metal--The distillation-molybdenum blue spectrophotometricmethod for the determination of arsenic content YS
    China National Standards
  • GB/T 4702.11-1985
  • Methods for chemical analYSis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content YS
    China National Standards
  • GB/T 4958.1-1985
  • Methods of measurement for equipment used in terrestrial radio-relay sYStems--Part 1:Measurements common to subsystems and simulated systems--Section One--General YS
    China National Standards
  • SJ 2572-1985
  • (MonocrYStalline silicon solar cells with bars, sheets) YS
    China Electronics Standards
  • JJG 372-1985
  • Verification regulation of metrological sYStem for tank liquid stock by weighing method YS
    China Metrological Standards
  • GB/T 4872-1985
  • Office machines and data processing equipment--Principles governing the positioning of control keYS on key-boards YS
    China National Standards
  • GY 26-1984
  • (Technical requirements Television Center video and pulse sYStem equipment) YS
    China Radio, Film & TV Industry Standards
  • TB 1603-1985
  • (Locomotive boiler water stabilizer. Ethylenediamine tetramethylene alendronate analYSis) YS
    China Railway & Train Standards

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