Business scope includes the research and development, as well as sales of facial recognition systems and pedestrian passage gates; Sales of security systems, scenic spot ticket-checking equipment, parking system and related products around parking lots, access control and attendance system, alarm system, building intercom products, electronic patrol system products, intelligent one-card system products; Sales of computer software and electronic products, sales of mechanical equipment; Conducting e-commerce; Domestic trade; Import and export of goods and technologies. Display device sales