The registration address of hebei ninghon hydromechanical science and technology ltd. Is 300 m south of the street of general si luzin village, west wang town, xiuzhou district, habei province. The registration authority is the yizhou district market supervisory authority, with legal representatives wang xiaohui, operating on general items: technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; mechanical equipment development; sale of equipment for industrial automated control systems; retail sale of computer hardware and software and assistive equipment; sale of electrical electrons; gear and gear reduction, speedbox sales, sale of casting machinery, sale of electrical equipment, sale of special equipment, sale of valves, sale of construction machinery; sale of machinery; sale of material handling equipment; sale of chemical products (without licensed chemical products); sale of specialized equipment for environmental protection; sale of rubber products; sale of valves and spins; sale of special equipment. Sale of fibreglass and products; electrical and cable operations; sale of metal structures; sale of fibreglass enhanced plastics; installation services for general mechanical equipment; repair of specialized equipment; repair of general-purpose equipment; import and export of goods; import and export of technology. (in addition to projects subject to legal authorization, activities are carried out autonomously and in accordance with the law in accordance with the operating licence): construction works; subcontracting of construction services. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)