1. China Railway Co., Ltd.: It is a state-level railway management institution, undertaking the heavy responsibility of railway passenger transport, freight transport and construction, and ensuring the stable operation of the national railway network.

2. China Investment Corporation: As a wholly state-owned company, it focuses on the investment management of foreign exchange funds. Its registered capital is as high as $200 billion, which comes from the special national debt raised by the Ministry of Finance.

3. CITIC Group: As a large-scale comprehensive multinational enterprise, it spans the financial, industrial and service industries, with a wide range of business and far-reaching influence. These ministerial-level central enterprises occupy an important position in the national economy and have played a positive role in promoting economic development and social stability.