Manufacturing and sales of automotive supplies, automotive parts and accessories, leather and products, rubber products, plastic products (excluding disposable foamed plastic products and ultra-thin plastic bags), textiles, carpets, tapestries, wood products, molds, electronic components and assemblies; sales of hardware, engineering machinery, electronic products (excluding nationally controlled products), and chemical raw materials (excluding hazardous chemicals); Class III motor vehicle maintenance (body cleaning and maintenance), Class III motor vehicle maintenance (vehicle upholstery (tarpaulins, cushions, and interiors)) (the above projects are subject to approval by the approving authority).