1. Guangdian Express was established on 1999. Is a state-owned high-tech listed enterprise (stock code: 002 152), whose main business covers intelligent finance, public security, transportation, government affairs, cultural tourism, new retail, education and other fields.
2. Entropy-based Technology Co., Ltd. (hereinafter referred to as Entropy-based Technology) is a world-renowned enterprise with biometrics as its core technology.
3. Qingdao Haitai Guangxin Technology Co., Ltd. was registered in Qingdao Administration for Industry and Commerce on June 2003 1 1. The business scope of the company includes the production of photoelectric products, photoelectric devices, medical devices and related accessories.