Research and development of electromechanical equipment、 Sale, Computer network technology development, Sales of computer and network products、 maintain, Image acquisition and processing equipment、 software、 Vision System、 Sales and maintenance of light source products, Building intelligent control system equipment、 Firefighting equipment、 security equipment、 Mechanical equipment、 Hardware and Electrical、 Chemical products( Does not contain flammable, explosive or easily-made drugs)、 Non-ferrous metal materials、 office supplies、 Sales of packaging materials, Energy-saving technology development、 consult、 Promotion Services, Machining、 repair, Import and export trade permitted by the state。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)