Legal basis: Article 9 of the Law of People's Republic of China (PRC) on Sole proprietorship Enterprises applies for the establishment of a sole proprietorship enterprise, and the investor or his entrusted agent shall submit the application for establishment, the investor's identity certificate, the certificate of use of the production and business premises and other documents to the local registration authority of the sole proprietorship enterprise. When an entrusted agent applies for registration of establishment, it shall issue the power of attorney of the investor and the legal certificate of the agent. A sole proprietorship enterprise shall not engage in business prohibited by laws and administrative regulations; To engage in business that must be reported to the relevant departments for examination and approval according to laws and administrative regulations, the approval documents of the relevant departments shall be submitted when applying for establishment registration.