General Projects: Auto parts and accessories manufacturing; General valve and plug manufacturing( Excluding special equipment manufacturing); Architectural decoration、 Manufacturing of plumbing pipe parts and other metal products for construction; Mechanical parts、 Parts processing;Agricultural machinery manufacturing; Metal daily necessities manufacturing; General equipment manufacturing( Excluding special equipment manufacturing); Motor Manufacturing; Metal tool manufacturing; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Manufacturing of metal parts for construction; General parts manufacturing; Pneumatic and electric tool manufacturing; Construction machinery manufacturing; Hardware wholesale; Hardware product retail; Agricultural machinery sales; Metal tool sales; Pneumatic and electric tool sales; Construction machinery sales; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Sales of metal parts for construction; Auto parts wholesale; Auto parts retail; Mechanical parts、 Parts Sales; Sales of special instruments for agriculture, forestry, animal husbandry and fishery; Machinery and equipment sales; Import and export of goods; Technology import and export( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)。