General situation of Tongling Sanjia Technology Co., Ltd.

The company holds the listed company-Tongling Sanjia Technology Co., Ltd. (stock code: 600520), and establishes Tongling Fengshan Sanjia Microelectronics Co., Ltd. with South Korea Fengshan Microelectronics Co., Ltd., in addition to having a wholly-owned electroplating factory and a provincial technology center. The holding Sanjia Technology Company also cooperated with domestic and foreign merchants to establish Sanjia Tianshan Technology Co., Ltd. and Fuji Sanjia Machinery Co., Ltd., and set up subsidiaries in Beijing, Hefei, Europe and North America.