The business scope includes: Wholesale and retail of metal products, shelves, hotel supplies, handling equipment, building materials, mechanical equipment, household appliances, automotive parts, fire equipment, photography equipment, hardware and electrical equipment, daily necessities, computer software and auxiliary equipment, instruments and meters, plastic products, rubber products, clothing, clothing, shoes and hats, bags, furniture, needle textiles, sports goods, and handicrafts; Installation of ventilation equipment and air conditioning; Design and construction of hydropower projects; Self operated and agent import and export business of various goods and technologies (excluding import and export restricted and prohibited by the state).