Permitted items: Import and export of goods; Technology import and export (projects subject to approval according to law, business activities can only be carried out after approval by relevant departments, and the specific business projects shall be subject to the approval documents or permits of relevant departments) General projects: Sales of raw and auxiliary materials for shoemaking; Sales of machinery and equipment; Mold sales; Sales of chemical products (excluding licensed chemical products); Sales of clothing accessories; Sales of plastic products; Sales of synthetic materials (except for projects that must be approved according to law, independently carry out business activities according to law on the basis of business license).