General freight, waste material recycling, goods import and export, technology import and export General items: production, processing, and sales: plastic products; sales: chemical raw materials (excluding hazardous chemicals), motorcycle parts, auto parts, hardware, general machinery and equipment, electronic components, and building materials (excluding hazardous chemicals); design, production, and sales: molds (excluding state-licensed business items) ), technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion, technology promotion and application services, technology guidance, wooden container manufacturing, wooden container sales, metal structure manufacturing, metal structure sales, plastic product manufacturing, plastic product sales, plastic packaging boxes and container manufacturing