General business items are: Food sales (only sales of pre-packaged food); Business management consulting; Business management; Catering management; Technical services, technology development, technical consulting, technology exchange, technology transfer, technology promotion; Consulting and planning services. (Except for projects that require approval according to law, business activities can be carried out independently according to law with a business license). The permitted business projects are: Catering services. (Projects that require approval according to law can only be carried out with the approval of relevant departments. Specific business projects shall be subject to the approval documents or licenses of relevant departments)