2. The company can introduce new shareholders and obtain funds, that is, increase capital and share. If the company is originally a non-listed company, it should advertise to the public and invite everyone to invest as shareholders, that is, IPO
3. The state does not allow companies to increase their capital and shares privately, otherwise it is illegal to raise funds, which is illegal. Therefore, the CSRC will review the company's IPO application, and the IPO can only be listed after the approval;
4. In order to go public, the company may not necessarily adopt IPO. You can buy a listed shell company and then put your own assets in it to realize listing;
5. Real estate is an industry regulated by the state. At present, IPO of real estate companies is not allowed. In the past, some real estate companies listed on the backdoor, but now they are not allowed to list on the backdoor.