What are the 5 million listed companies?

About 5 million listed companies include Weifu Hi-Tech, Jiahua Energy and CIMC Anruike. Major listed companies released their annual reports for 221 one after another, and the operating income of hydrogen energy enterprises represented by Weifu Hi-Tech, Jiahua Energy and CIMC Anruike exceeded 5 million yuan. Weifu Hi-Tech (581): The revenue of core components reached 58.593 million yuan. Jiahua Energy: The revenue of hydrogen business is 5.46 million yuan. CIMC Enrico: The revenue from hydrogen energy business is 175 million yuan.