Business scope includes: Research and development of fire control detection technology; Metal cutting machine tool manufacturing; Metal-forming machine tool manufacturing; Metal cutting and welding equipment manufacturing; Other metal processing machinery manufacturing; Manufacturing of electrical accessories, power distribution or control equipment; Manufacturing of components and components of general and special instruments; General equipment repair; Electrical equipment wholesale; Sales of electrical machinery and equipment; Manufacturing of refrigeration and air-conditioning equipment; Manufacturing of machine tool accessories; Mechanical parts processing; Casting machinery manufacturing; Die manufacturing; Construction services of construction steel structure and prefabricated components; Energy conservation, environmental protection, waste benefit, light, high quality, high performance, multi-functional building materials development and production; Design and construction of fire-fighting facilities engineering; Elevator installation engineering service; Ship decoration works.