Manufacturing and processing of automobile and motorcycle spare parts, electronic products, molds, instruments and instruments; wholesale and retail of metal materials, construction and decoration materials, hardware, and electricity; house leasing and equipment leasing; information technology consulting services; wholesale of automobile spare parts; export business of the company’s self-produced products and import business of mechanical equipment, spare parts, raw and auxiliary materials required by the company, except for goods and technologies that are restricted by the state or prohibited from import and export.