Business scope includes: General items: Railway transportation equipment sales; Ship repair; Forgings and powder metallurgy products sales; Water transport equipment spare parts sales; Mechanical and electrical equipment sales; Ship modification; Sales of bearings, gears and transmission components; Ship leasing; Water transport equipment sales; Electrical equipment sales; Pump and vacuum equipment sales; General equipment repair; Electrical equipment repair; Electronic and mechanical equipment maintenance (excluding special equipment); Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination; Sales of generators and generator sets; Hardware products wholesale; Sales of household appliances; General merchandise sales; Clothing and apparel wholesale; Wholesale of shoes and hats; Building materials sales; Import and export of goods; Technology import and export.