Shenzhen Betong Testing Co., Ltd. was founded in August, 2003. It is a national high-tech enterprise. It was listed on the new third board in April 2015. It is an independent third-party private testing service institution in China. In 2016, the adjustment entered the new three board innovation layer, and remained in the innovation level in 2017 and 2018. The revenue in 2014-2016 increased by more than 60%, and in 2017, the revenue increased by about 20% year-on-year, with operating income exceeding RMB 100 million and net profit of more than 12 million. Beitong testing has 15 subsidiaries and service outlets. Through diversified operation, it integrates industry resources to continuously expand business and service scope, and gradually becomes a comprehensive third-party testing group company.