General Projects: Rubber product manufacturing, Plastic product manufacturing, Metal daily necessities manufacturing, General parts manufacturing, Mechanical parts、 Parts processing, Information consulting services( No licensing information consulting services), Metal material sales, Rubber product sales, Plastic product sales, Electrical equipment sales, Metal product sales,Office equipment sales, Sales of labor protection products, Lubricant sales, Hardware product retail, Mechanical parts、 Parts Sales, Sales of pneumatic power machinery and components, Gas compression machinery sales, gas、 Liquid separation and purification equipment sales, Leather product sales, Electronic measuring instrument sales, Mechanical and electrical equipment sales, Battery Sales, Sales of glass fiber reinforced plastic products, Railway locomotive and vehicle parts sales, Electrical equipment repair, General equipment repair, Special equipment repair, Sales of power electronic components, Bearing sales, bearings、 Gear and transmission parts sales, Specialty chemical product sales( No hazardous chemicals), Power electronic components manufacturing, Electronic components retail, Dye sales, Optoelectronic device sales, Sales of special electronic equipment, Sales of glass fiber and products, Electronics sales, Supply of commercial instruments and meters, Fiber Optic Sales, Paint sales( No hazardous chemicals), Electrical accessories manufacturing, Metal structure manufacturing,Metal material manufacturing, Synthetic material sales( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)