General Projects: Marine supporting equipment manufacturing, Marine engineering equipment manufacturing, Mechanical parts、 Parts processing, Mechanical and electrical equipment manufacturing, Machinery and equipment sales, Manufacturing of liquid and gas sealing components and systems, Railway locomotive and vehicle parts manufacturing, Electrical equipment sales, Seal sales, Sales of forgings and powder metallurgy products, Sales of high-performance non-ferrous metals and alloy materials, Import and export of goods, Technology import and export。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)