You need to choose an appropriate company name, secure a legally compliant non-residential property as the company's registered address, define the company's business scope, and determine the company's legal representative, shareholder(s), director(s), supervisor(s), and other senior executives.

You can also learn how to set up a company through this video:

https://english.beijing.gov.cn/investinginbeijing/Start_Your_Business/focus_guide/investment_guide_video/202407/t20240719_3753167.html