Energy-saving equipment、 Research and development of new energy technologies; Industrial automation equipment、 Automation control system、 Mechanical equipment( Excluding special equipment)、 Technical development of computer software, hardware and auxiliary equipment、 Technical Consulting、 Technical Services、 Technology Transfer;Manufacturing of intelligent building equipment; Import and export of goods and technology( Operations prohibited by national laws and regulations shall not be carried out, Businesses restricted by national laws and regulations must be operated with a license); wholesale、 retail: Industrial automation equipment and accessories, Mechanical equipment( Excluding special equipment), Computer hardware and software, Automation control system, CNC equipment, Mechanical and electrical equipment, Welding equipment and accessories, Welding products, Building Materials, Decorative materials, Hardware and Electrical; Production: Mechanical equipment( Excluding special equipment); Logistics information consulting, Business Information Consulting; Machinery and equipment rental, Mechanical maintenance and installation**( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)