Manufacturing of automobile parts and accessories; wholesale of motorcycles and spare parts; manufacturing of rubber products; manufacturing of plastic products; mold manufacturing; manufacturing of power electronic components; manufacturing of electronic components and electromechanical component equipment; manufacturing of plastic packaging boxes and containers; manufacturing of automotive decorative products; plastic surface treatment; manufacturing of sponge products; manufacturing of special equipment for plastic processing; manufacturing of special equipment for rubber processing; mold sales; mechanical parts and parts processing; general parts manufacturing; motorcycle parts manufacturing; distribution switch control equipment manufacturing; high-speed rail equipment manufacturing Manufacturing of equipment and accessories; sales of engineering plastics and synthetic resins; wholesale of auto parts; wholesale of hardware products; wholesale of electronic components; sales of labor protection supplies; sales of distribution switch control equipment; sales of electronic components and electromechanical component equipment; sales of non-ferrous metal alloys; sales of metal materials; sales of construction materials; sales of office equipment; sales of packaging materials and products; recycling of productive scrap metal; recycling of renewable resources (except productive scrap metal); processing of renewable resources; processing of metal scraps and debris; sales of renewable resources