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 40880-2021	Specification for coal mine gas classification identification	China National Standards
GB 40881-2021	Code for security system design of low concentration gas pipeline transportation of coal mine	China National Standards
GB/T 22459.3-2021	Refractory mortars -- Part 3: Determination of joint stability	China National Standards
GB/T 40832-2021	Determination of mangiferin in mango leaves—High performance liquid chromatography	China National Standards
GB/T 40744-2021	Determination of solanesol in potato stems，leaves and their processed products. High performance liquid chromatography-mass spectrometry	China National Standards
GB/T 40734-2021	Non-destructive testing of welds—Phased array ultrasonic testing(PAUT)—Acceptance levels	China National Standards
GB/T 40733-2021	Non-destructive testing of welds—Ultrasonic testing—Use of automated phased array technology	China National Standards
GB/T 19322.1-2021	Small craft -- Airborne sound emitted by powered recreational craft -- Part 1: Pass-by measurement procedures	China National Standards
GB/T 40787-2021	Small craft—Navigation lights—Installation,placement and visibility	China National Standards
GB/T 40833-2021	Determination of p-coumaric acid in sugarcane rinds—High performance liquid chromatography	China National Standards
GB/T 3903.25-2021	Footwear—Test methods for whole shoe—Heel attachment	China National Standards
GB/T 3903.14-2021	Footwear—Test methods for outsoles—Needle tear strength	China National Standards
GB/T 3903.12-2021	Footwear—Test methods for outsoles—Tear strength	China National Standards
GB/T 3903.9-2021	Footwear—Test methods for insoles—Heel pin holding strength	China National Standards
GB/T 27552-2021	Destructive tests on welds in metallic materials—Microhardness testing of welded joints	China National Standards
GB/T 16895.10-2021	Low-voltage electrical installations -- Part 4-44: Protection for safety -- Protection against voltage disturbances and electromagnetic disturbances	China National Standards
GB/T 40909-2021	Textiles—Determination of methylcyclosiloxane residues	China National Standards
GB/T 40571-2021	Intelligent service—Predictive maintenance—General requirements	China National Standards
GB/T 40777-2021	Requirements for automatic reclosing devices (ARDs) for circuit-breakers,RCBOs and RCCBs for household and similar uses	China National Standards
GB/T 40820-2021	Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicles	China National Standards
GB/T 19334-2021	Dimensions of low-voltage switchgear and controlgear—Standardized mounting on rails for mechanical support of switchgear,controlgear and accessories	China National Standards
GB/T 40742.5-2021	Geometrical product specifications (GPS)—Geometrical precisionverification—Part 5:Estimation of uncertainty of measurement for geometrical characteristics verification	China National Standards
GB/T 5169.20-2021	Fire hazard testing for electric and electronic products—Part 20: Surface spread of flame—Summary and relevance of test methods	China National Standards
GB 15359-2021	Maritime light vessels and large navigational buoys system, China	China National Standards
GB/T 16162-2021	Vocabulary for global maritime distress and safety system	China National Standards
GB/T 40829-2021	Asset management system maturity assessment of an organization	China National Standards
GB/T 40794-2021	Measurement method of irreversible magnetic flux loss due to high temperature of rare earth permanent magnet	China National Standards
GB/T 18113-2021	High temperature lanthanum chromite electric heating module	China National Standards
GB/T 12690.8-2021	Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8:Determination of sodium content	China National Standards
GB/T 40840-2021	Construction and management requirement of the unified social credit identifier database for legal entities and other organizations	China National Standards

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