General Items: Manufacturing of plastic products; Sales of plastic products; Sales of metal products; Sales of building materials; Sales of doors and windows; Sales of outdoor products; Wholesale of sports goods and equipment; Sales of molds; Sales of plastic processing equipment; Sales of furniture; Sales of synthetic materials; Landscaping engineering construction; Advertising design and agency services; Advertising production; Internet sales (excluding goods that require a license to sell) (Except for projects that must be approved according to law, business activities may be carried out independently with a business license in accordance with the law). Licensed Items: Import and export of goods; Import and export of technology (For projects that require approval according to law, business activities can only be carried out after approval by relevant authorities, and the specific business items are subject to the approval results).