The business scope of the enterprise is: R & D, production, processing, maintenance, remanufacturing, leasing and sales: Office consumables (toner, Toner cartridge, ink cartridge), printers, copiers and accessories, 3D printing equipment and consumables, liquid crystal display, electronic products, communications products, construction machinery, electromechanical products, computer equipment and accessories, teaching equipment, multimedia audio-visual equipment, library equipment, office supplies, office automation equipment and accessories, home appliances, audio equipment, security monitoring system equipment products; R & D and sales: Intelligent Electronic Products, medical devices (operating under a valid medical device license), computer software, communication equipment, environmental protection equipment products, wood products, chemical fiber products, mechanical equipment, chemical products (excluding dangerous chemicals and precursor chemicals), metal and plastic products; Renewable Resources Processing; Network engineering, Technical Information Engineering, Intelligent Network Systems, computer technology services; Goods and technology import and export.