Licensed Projects: Construction project construction, Construction Engineering Design, Professional construction work。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.) General Projects: Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Engineering Management Services, Industrial Design Services, Professional design services, Industrial Engineering Design Services, Paint sales( No hazardous chemicals), Building materials sales,Chemical product sales( Does not contain permitted chemical products), Sales of building waterproofing membrane products, Synthetic material sales, Insulation material sales, Refractory sales, Sales of sealing packing, Sales of special equipment for environmental protection, Machinery and equipment sales, Import and export of goods, Technology import and export。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)