1. Public companies have stricter financial disclosure requirements compared to non-public shareholding companies.
2. The shares of public companies can be freely traded and circulated on the stock exchange (fully tradable or partially tradable, depending on different systems in each country), whereas the shares of non-public companies cannot be traded on the stock exchange.
3. The accountability systems between public and non-public companies are different.
4. The conditions for a company to go public are: the company has been in operation for more than 3 years; its total share capital reaches over 30 million yuan; and the number of shareholders who hold stocks worth over 1000 yuan is no less than 1000.