China GB GB Standards Search System

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, Purchase services.

China "GB" GB Standards List:

Standard Code	GB Standard Title	Standard Class
GB/T 34211-2017	Iron ores—Method for determination of iron reduction softening drippinger performance under load	China National Standards
GB/T 2520-2017	Cold-reduced electrolytic tinplate	China National Standards
GB/T 34213-2017	High purity alumina for sapphire substrate	China National Standards
GB/T 34206-2017	High corrosion resistance alloy rebars for the reinforcement of marine concrete	China National Standards
GB/T 34208-2017	Iron and steel—Determination of antimony and tin content—Inductively coupled plasma atomic emission spectrometric method	China National Standards
GB/T 34212-2017	Cold rolled steel strip for battery shell	China National Standards
GB/T 5195.14-2017	Fluorspar—Determination of magnesium content—Flame atomic absorption spectrometry	China National Standards
GB/T 34218-2017	Refractory products—Determination of compressive strength at elevated temperature	China National Standards
GB/T 34220-2017	Refractory Products—Determination of tensile strength at elevated temperature	China National Standards
GB/T 5195.15-2017	Fluorspar—Determination of calcium,aluminum,silicon,phosphorus,sulfur,potassium,iron,barium and lead content—Wavelength dispersive X-ray fluorescence spectrometric method	China National Standards
GB/T 5195.13-2017	Fluorspar—Determination of aluminium content—EDTA titration method	China National Standards
GB/T 5195.16-2017	Fluorspar—Determination of silicon, aluminum, iron, potassium, magnesium and titanium content—Inductively coupled plasma atomic emission spectrometry	China National Standards
GB/T 34214-2017	Iron ores—Determination of weight of free water	China National Standards
GB/T 6730.34-2017	Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method	China National Standards
GB/T 6730.58-2017	Iron ores－Determination of vanadium content－Flame atomic absorption spectrometric method	China National Standards
GB/T 6730.44-2017	Iron ores—Determination of zinc content—1-(2-pyridylazo)-2-naphthol spectrophotometric method	China National Standards
GB/T 6730.59-2017	Iron ores－Determination of manganese content－Flame atomic absorption spectrometric method	China National Standards
GB/T 34215-2017	Cold-rolled non-oriented electrical steel strip（sheet）for electric vehicle driving motor	China National Standards
GB/T 34216-2017	Nanoscale silicon nitride	China National Standards
GB/T 19346.2-2017	Methods of measurement for amorphous and nanocrystalline alloys—Part 2: Lamination factor of amorphous alloy strips	China National Standards
GB/T 34210-2017	Test method for determining the orientation of sapphire single crystal	China National Standards
GB/T 34209-2017	Stainless steel—Determination of multi-element contents—Glow discharge optical emission spectrometry	China National Standards
GB/T 34317-2017	Distribution practice for quick-frozen mushroom	China National Standards
GB/T 33746.1-2017	Technical specification of NFC security—Part 1: NFCIP-1 security services and protocol	China National Standards
GB/T 25102.7-2017	Electroacoustics—Hearing aids—Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes	China National Standards
GB/T 34160-2017	Test method of conversion efficiency of terrestrial photovoltaic(PV) modules	China National Standards
GB/T 20441.5-2017	Electroacoustics—Measurement microphones—Part 5: Methods for pressure calibration of working standard microphones by comparison	China National Standards
GB/T 25498.5-2017	Electroacoustics—Simulators of human head and ear—Part 5：2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts	China National Standards
GB/T 34277-2017	Management specification on declaration and payment of social insurance	China National Standards
GB/T 34276-2017	Social insurance consulting service specification	China National Standards

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