GRG Metrology & Test Group Co., Ltd. is a third-party measurement and testing institution in China, operating with its subsidiaries. It provides measurement and calibration, environmental and reliability testing, EMC testing, chemical and failure analysis, safety testing and certification, environmental monitoring, and food and agricultural product testing. The company also offers integrated circuit testing and analysis, electromagnetic compatibility testing, ecological environment testing, EHS evaluation services (including safety evaluation, environmental impact assessment, and occupational health evaluation), and reference materials. Additionally, it provides data science analysis and evaluation services such as network security, software evaluation, and artificial intelligence testing; technical services including artificial intelligence ecosystem verification and human-machine efficacy evaluation; digital services comprising data governance capability evaluation, digital evaluation consulting and training, and data asset security compliance evaluation and inclusion; technical training and consulting; and software development. It serves industries including vehicle, aviation, rail transit, ship, communication, electricity, food, agriculture, medical, electronic, textile, and petrochemical. Formerly known as Guang Zhou GRG Metrology & Test Co., Ltd, it changed its name to GRG Metrology & Test Group Co., Ltd. in March 2023. The company was founded in 1964 and is based in Guangzhou, China.