Research and development of intelligent building equipment、 Sale、 design、Install、 maintain; Computer network integrated cabling、 Weak current system installation and maintenance; Elevator sales, installation and maintenance; Import and export of goods and technology; Sale: Firefighting equipment, Electronics, Computer hardware, software and consumables, Hardware and Electrical, Wires and cables, locks, Mechanical equipment, building materials, Doors and Windows, Auto Parts; Knitted textiles, Daily necessities, Arts and Crafts, leather products, Clothing, shoes and hats, Packaging materials, cosmetic, medical devices, Solar products;e-commerce services, Software design and development, Business Information Consulting, Car repair, maintenance and beauty, Beauty and hairdressing services。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)