What are the listed companies of Chongqing United Microelectronics?

Fenghua Hi-Tech, Zhenhua Technology, etc. Chongqing United Microelectronics Center Co., Ltd. is a national engineering research center led by Chongqing Municipal Government and invested by many well-known enterprises in the electronic information industry in the United Nations. Companies that focus on semiconductor integrated circuit packaging testing and whose stocks have been listed before the deadline are Fenghua Hi-Tech, Zhenhua Technology, Sanhuan Group, National Porcelain Materials and Shunluo Electronics.