The registered address of the porto city haihong pumping valves ltd. Is located in no. 1 north of the poozhou city economic development area, hebei province. The registered body is the porting market monitoring authority, with legal representatives zhang zhang zhang, operating in the areas of oil pumps, gear pumps, centrifugal pumps, slag slag pumps, rotor pumps, heat pumps, spiral pumps, hot oil pumps, stainless steel pumps, stainless steel magnetic pumps and accessories production and sale; mine machinery equipment and accessories, hardware exchange, valves, pipes, flanges, dust removal equipment and accessories ** (the above area of operation relates to licensed operations and should be operated only with the permission of the relevant authorities)