Periodical publishing; Wholesale publications. (Projects that need to be approved according to law can only carry out business activities after being approved by relevant departments. The specific business projects shall be subject to the approval documents or licenses of relevant departments. ) general project: advertising design and agency; Advertising production; Advertising; Conference and exhibition services; Information consulting services (excluding licensed information consulting services); Leasing services (excluding franchised leasing services); Periodical rental. (except for projects that need to be approved according to law, independently carry out business activities according to law with the business license).