Production and sales of teaching instruments and equipment, teaching models, laboratory equipment and medical training emergency mannequins; hardware, daily necessities, knitted textiles, packaging materials, rubber and plastic products, clothing and accessories, textile fabrics, down products, arts and crafts, paper products, bedding, mechanical accessories, building materials, clothing, shoes and hats, computer software, hardware and consumables, communication equipment, leather products, cultural and educational office supplies, lighting appliances, stainless steel products, aluminum alloy products, pipes, valves, kitchen appliances, clocks, glasses , glass products, electronic components, wires and cables, hotel daily necessities, audio equipment, sanitary ware, fire-fighting equipment, photographic equipment, sporting goods, environmental protection equipment, metal materials, water pumps and accessories, bearings, solid parts, standard parts, photographic equipment, electroplating equipment, automobile and motorcycle accessories, engineering machinery equipment accessories, motorcycles, electric vehicles, toys, first-class medical equipment wholesale and retail; self-operated or agency import and export business of various commodities and technologies (except for commodities and technologies that are restricted by the state or prohibited from import and export). [Projects that require approval according to law can only be carried out with approval from relevant departments]