Founded in 2009, Tianshu group has 13 years of experience in calibration and testing industry. The company has more than 2000 employees, 22 branches nationwide and 20 CNAs and CMA accredited laboratories. It has won the title of national and Shenzhen double high-tech enterprise, applied for and obtained 25 invention patents, 28 utility model patents and 17 software copyrights. Professional provision of technical services such as instrument calibration, battery testing and certification, training and consultation; It is a high-quality supplier for many equipment manufacturers, battery enterprises, vehicle enterprises, laboratories, scientific research institutions / colleges.

Shenzhen Tianshu metrology officially established the consumer battery laboratory in 2015 and has now developed into a testing base with four testing centers: the testing center for core components of new energy vehicles; Consumer battery testing and experiment center; Chemical detection experiment center. Specifically, it includes the following professional laboratories: capacity test, electrical performance test, safety test, mechanical test, environmental test, energy storage electrical performance test, energy storage safety test, energy storage reliability test and chemical test.

Guangzhou Tianshu Testing Technology Co., Ltd., a subsidiary of Shenzhen Tianshu, belongs to the testing center of core components of new energy vehicles. It is a third-party testing organization specializing in power battery product testing and certification services; The laboratory is constructed and managed in strict accordance with ISO / iec17025:2017 standard. Test scope: new energy vehicle power battery pack and battery BMS system