Excuse me, what is a company to be listed?

A listed company refers to a joint stock limited company whose registered place is in China and its shares are listed and traded in the agency share transfer system. Not a listed company. A listed company. The listing conditions are: "(1) It is a legally existing joint stock limited company; (2) Having a sound company organization; (3) The proportion of shares registered for custody shall not be less than 50% of the shares transferable by proxy; (4) Other conditions required by China Securities Industry Association. " (Article 10 of the Pilot Measures for Securities Companies to Agency Share Transfer Business)