General Projects: Machinery and equipment sales; Mechanical parts、 Parts processing; Mechanical parts、 Parts Sales; Auto parts and accessories manufacturing; Auto parts wholesale; Auto parts retail; Hardware product retail; Hardware wholesale; electric wire、 Cable Operations; Daily necessities sales; Electronic components and electromechanical assembly equipment manufacturing; Sales of electronic components and electromechanical components; Power electronic components manufacturing; Sales of power electronic components; Manufacturing of special electronic materials; Sales of special electronic materials; Electronic components wholesale; toy manufacturing; Toy sales; Hair accessories production; Hair accessories sales; Manufacturing of arts and crafts and ceremonial supplies( Except ivory and its products); Sales of arts and crafts and ceremonial supplies( Except ivory and its products); Daily sundry goods manufacturing; Daily sundry goods sales; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Agricultural machinery services; Agricultural machinery sales;Agricultural machinery manufacturing; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion;3D Printing Services;3D Printing base material sales; Additive manufacturing equipment manufacturing; Additive manufacturing equipment sales; Ink manufacturing( No hazardous chemicals); 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)