Licensed Projects: Import and export of goods, Technology import and export( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business items are subject to the approval results.) General Projects: Civil aviation material sales, Metal product sales, Mechanical parts、 Parts Sales, Sales of special electronic materials, Sales of special electronic equipment, Sales of special equipment for semiconductor devices, Integrated circuit sales, Sales of plug-in hybrid dedicated engines( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)