Construction and operation of integrated warehousing facilities related to industrial and distribution business; construction and operation of shared systems for pallets and container units; research and development centers; wholesale and import and export of special equipment for automobile manufacturing, automobile spare parts, hardware tools, general electromechanical equipment, and metal materials (excluding hazardous chemicals) (commodities involving quota license management and special provisions management shall be handled in accordance with relevant national regulations); operating commission agency business (excluding auctions); construction mechanical and electrical installation projects.