Manufacturing of safety and fire-fighting metal products; manufacturing of security equipment; manufacturing of special-operation robots; manufacturing of motorcycle parts and accessories; manufacturing of auto parts and accessories; manufacturing of metal tools; manufacturing of hardware products; R&D of metal products; R&D of mechanical equipment; non-ferrous metal casting; sales of security equipment; sales of fire-fighting equipment; sales of metal products; retail of motorcycles and spare parts; retail of hardware products; sales of intelligent robots; sales of metal tools; fire protection technical services; import and export of goods; import and export of technology; sales of office equipment.