The business scope includes: research and development of mechanical equipment; Electronic product sales; Sales of rubber products; Sales of plastic products; Retail of hardware products; Rubber products manufacturing; Manufacturing of glass fiber reinforced plastic products; Manufacturing of plastic products; Hardware product manufacturing; Manufacture of new membrane materials; Glass fiber and products manufacturing; Hardware product research and development; Research and development of metal products; New material technology research and development; Research and development of electronic special materials; Technical service, technical development, technical consultation, technical exchange, technology transfer and technology popularization; Import and export of goods. (Projects subject to approval according to law can only be operated after approval by relevant departments).