Precision Pass Testing and Certification Co., Ltd. (PTC) was established in 2008. In 2016, it listed the new three board (stock short name: accurate detection, stock code: 870761), it is a comprehensive third-party testing and certification organization that integrates products, food, environmental testing, inspection, certification, rectification, problem analysis, technical consultation, factory counseling, calibration, and system services. PTC has advanced testing equipment and a team of experienced experts, and has obtained the CCC mandatory product testing laboratory qualification of the National Certification and Accreditation Administration, CQC and CVC voluntary product signing laboratory, PSE certification and authorization laboratory, and International Electrotechnical Commission CB laboratory. Headquartered in Dongguan, PTC has established numerous branches in Shenzhen, Zhongshan, Fujian, Hunan, Ningbo, Hebei, Hong Kong, China, etc. The experimental site is over 12,000 square meters, with safety regulations, EMC, chemistry, batteries, environment, food, consumer goods, shoe spinning, toy physics, military-grade reliability laboratory. PTC always adheres to the service concept of “accurate, professional, rigorous and efficient”and perfect service network. It has won the world's best products for many customers at home and abroad.