Licensed Projects: Various engineering construction activities, Installation, modification and repair of special equipment, Special equipment manufacturing( 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: Special equipment manufacturing( Excluding licensed professional equipment manufacturing), General equipment manufacturing( Excluding special equipment manufacturing), Pharmaceutical equipment manufacturing, Manufacturing of special equipment for agricultural and sideline food processing, oil refining、 Manufacturing of special equipment for chemical production, Manufacturing of special equipment for environmental protection, food、 liquor、 Manufacturing of special equipment for beverage and tea production, Dust removal technology equipment manufacturing, Mechanical equipment research and development, Hydraulic power machinery and components manufacturing, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Special equipment sales, Import and export of goods, Technology import and export,Chemical product sales( Does not contain permitted chemical products)( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)