Licensed Projects: Import and export of goods, Technology import and export, Import and export agent( 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: Metal material sales, Plastic product sales, Rubber product sales, Machinery and equipment sales, Electrical machinery and equipment sales, Mechanical parts、 Parts Sales, mold sales, Machinery and equipment rental, Special equipment rental( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)