Railway equipment、 Ship equipment、 Metallurgical equipment、 Oil equipment、 Chemical Equipment、 Power equipment、 Breeding equipment、 Environmental protection equipment、 pipeline、 Mechanical equipment manufacturing、Install、 Repair and maintenance, Mechanical and electrical equipment installation, Sale: auto parts、 Hardware and Electrical, mechanical、 Technology research and development in the field of electrical automation、 Technical Consulting、 Technical Services、 Technology Transfer, Municipal Engineering、 Landscaping Project、 Road and Bridge Engineering、 Steel structure engineering、 Intelligent installation project、 Construction, Marketing Planning, Corporate image design, Exhibition Services, Economic Information Consulting( Without approval from financial regulators, Not allowed to engage in deposit-taking、 Financing Guarantee、 Financial services such as wealth management on behalf of customers), Engineering labor subcontracting, Construction labor subcontracting, Catering Management, Import and export of goods and technology( Projects prohibited by national laws and regulations shall not be operated, Projects restricted by laws and regulations may only be operated after obtaining a license)。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)