Founded in 2013, Shenzhen Precise Testing Technology Co., Ltd. (PTL) is a national high-tech enterprise and Specialized and Sophisticated "little giant" SME, focusing on lithium batteries and their upstream and downstream: EV, ESS, electric ships, LEV, 3C batteries, intelligent terminals and other fields, providing customers with testing, certification, technology research, collaborative innovation in R&D and other technical services.
Since the establishment of the company, PTL has operated the laboratory management system by ISO/IEC 17025 and passed CNAS, CMA and China Classification Society (CCS). It is UL authorized WTDP laboratory, as well as CQC, CSA, TÜV RH and other well-known institutions authorized cooperative laboratories. PTL is also the import and export commodity inspection and appraisal agency authorized by AQSIQ. PTL was awarded Power Battery Testing and Evaluation Engineering and Technology Research Center of Guangdong Province, Public Service Platform for National Industrial Technology Infrastructure, and National Service-Oriented Manufacturing Demonstration Platform.