Manufacturing and maintenance of railway wagon; locomotive accessories, special equipment, large steel structure, mining machinery equipment, engineering machinery equipment,hardware,for electricity, chemicals (except dangerous goods and drugs and easy system),metal material, sale of steel plate and construction material;

Running the export business of the products of enterprise and related technology; running the import business of the raw materials, machinery and equipment, instruments, spare parts and related technology, which are needed in production and research. Mechanical spare parts for forging and punching; equipment leasing; Labor dispatching(not to foreign country); technical development; consulting service and so on