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: Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, mold manufacturing, mold sales, Plastic product manufacturing, Plastic packaging box and container manufacturing, Plastic product sales, Paper product manufacturing, Paper product sales,3D Printing Services,3D Printing base material sales, Professional design services, Mechanical equipment research and development, Machinery and equipment sales, Domestic freight forwarding( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)