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GRG Metrology & Test Group Co., Ltd.
China
Calibration Services: NIST-traceable calibration for lab gear
Chemical & Material Analysis: Spectroscopy, chromatography, and SEM
EMC/EMI Testing: Electromagnetic compatibility and interference
Environmental Stress Testing: HALT, HASS, and thermal cycling
Failure Analysis: Root-cause investigation of broken components
Safety Certification: UL, CSA, ETL, and TUV testing

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GRG Metrology & Test Group Co., Ltd. (stock abbreviation: GRGTEST, SZSE: 002967) originated in 1964 as the Electronic 602 Metrology Station of the former Ministry of Information Industry. Based in Guangzhou, Guangdong, it is a publicly traded, state-holding comprehensive third-party testing and calibration institution under Guangzhou Radio Group.

GRGTEST operates 23 major testing bases and more than 50 subsidiaries and branches throughout China, spanning over 160,000 square meters of laboratory facilities housing more than 15,000 sets of advanced testing instruments. The organization is accredited by CNAS, CMA, CATL, and international bodies as an official CB testing laboratory.

Its technical service portfolio covers metrological calibration, environmental reliability testing, electromagnetic compatibility (EMC/EMI) testing, chemical analysis, product safety certification, and failure analysis for global industries.

Offer

GRGTEST offers comprehensive accredited laboratory testing and engineering evaluation services:

  • Electromagnetic Compatibility (EMC/EMI) Testing: Full-scope commercial, automotive, railway, and aerospace EMC testing, including radiated emissions, conducted emissions, radiated immunity, bulk current injection (BCI), electrostatic discharge, surge, and electrical fast transients (EFT).
  • Metrology & Calibration: Calibration covering radio frequency, electromagnetic, thermal, geometric, optical, and mechanical measurement instruments.
  • Environmental & Reliability Testing: High/low temperature cycling, thermal shock, HALT/HASS, vibration and mechanical shock, salt spray corrosion, and composite environment testing.
  • Failure Analysis & Material Characterization: Component failure mechanism investigation, cross-sectioning, electron microscopy, spectroscopy, and chemical hazardous substance screening.
  • Safety Certification & Market Access: CCC, CE, CB Scheme, and international compliance certification support for electrical appliances, industrial hardware, and new energy vehicles.

Tags

failure analysis
emc testing
emi testing
automotive emc
reliability testing
calibration laboratory
cnas accredited
Industrial Specializations: Calibration Services: NIST-traceable calibration for lab gear, Chemical & Material Analysis: Spectroscopy, chromatography, and SEM, EMC/EMI Testing: Electromagnetic compatibility and interference, Environmental Stress Testing: HALT, HASS, and thermal cycling, Failure Analysis: Root-cause investigation of broken components, and Safety Certification: UL, CSA, ETL, and TUV testing
Headquarter/main address: No. 163, Pingyun Road, Huangpu Avenue West, Tianhe District
Guangzhou
Guangdong 510656
China
Get Directions
https://www.grgtest.com
Business Type: Service Provider
Ownership: Public
Turnover: €250M+
Employees: 5,000-19,999
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