According to the data, the net profit returned to the mother in 2020 and 20021year was 35.3458 million yuan, 2716200 yuan respectively, and the return on net assets was 46. 13% and 21./kloc-0 respectively. This shows that it is for the North Exchange.

Beijing Stock Exchange (hereinafter referred to as "Beijing Stock Exchange") was incorporated on September 3, 20021year. The State Council approved the establishment of the first company-based stock exchange in China, which is supervised and managed by the China Securities Regulatory Commission. The business scope includes providing places and facilities for centralized securities trading according to law, organizing and supervising securities trading and securities market management services.