Metal cutting machine tool manufacturing; Metal forming machine tool manufacturing; Industrial robot manufacturing; Special operation robot manufacturing; Metal cutting and welding equipment manufacturing; Special equipment manufacturing (excluding licensed professional equipment manufacturing); General equipment manufacturing (excluding special equipment manufacturing); Mechanical and electrical equipment manufacturing; Hardware product manufacturing; Metal structure manufacturing; Import and export of goods; Metal structure sales; Daily-use miscellaneous product manufacturing; Plastic product manufacturing; Softwood product manufacturing; Daily-use wood product manufacturing; Hand cart and animal-drawn vehicle manufacturing; Battery sales; Metal product repair; Metal cutting processing services; Special equipment sales; Mechanical parts and components processing; Mechanical parts and components sales; Daily-use product sales; Daily-use department store sales; Mechanical equipment sales; Metal cutting and welding equipment sales; Optoelectronic device manufacturing; Optoelectronic device sales; Mechanical and electrical equipment sales; Hardware product wholesale; Hardware product retail; Building materials sales; Electronic product sales; Arts and crafts and ceremonial product sales (excluding ivory and its products); Daily-use product wholesale; Shoe-making raw material sales; Footwear wholesale; Footwear retail; Clothing wholesale; Clothing retail; Clothing accessory sales; Automotive parts retail; Automotive parts wholesale; Chemical product sales (excluding licensed hazardous chemicals); Textile and raw material sales; Non-metallic mineral product sales; Metal ore sales; Metal material sales; High-performance non-ferrous metal and alloy material sales; Graphene material sales; Specialized chemical product sales (excluding hazardous chemicals); Electrical equipment sales; Forestry product sales; Food sales (pre-packaged food only); Infant formula and other infant formula food sales; Cement product sales; Paper product sales; Packaging material and product sales; Petroleum product sales (excluding hazardous chemicals); Rubber product sales; New energy vehicle complete vehicle sales; Automotive sales. Permitted items: Special equipment manufacturing