General project: Mold manufacturing; Mold sales; Plastic products sales; Plastic products manufacturing; Machinery and equipment sales; Special equipment manufacturing (excluding licensed professional equipment manufacturing); Sales of electronic products; Electronic special equipment manufacturing; Industrial design services; Sales of high-performance fiber and composite materials (except for projects that need to be approved according to law, independently carry out business activities according to law with business license). Licensed items: Technology import and export; Import and export of goods (for items subject to approval according to law, business activities can only be carried out with the approval of relevant departments, and the specific business items shall be subject to the approval result).