Datong sells starting power supplies. The address of Datong Startup Power Supply is No. 405, High-tech Entrepreneurship Service Center, No. 90, Sixian Street, Development Zone, Datong City, Shanxi Province. The inventors are Wang Jingchun and Long Haichao. The application date is March 24, 2017. The patent applicant is Datong Oasis New Energy Technology Co., Ltd. The patent agency is Beijing Chaofan Zhicheng Intellectual Property Agency (General Partnership).