The registration address of hebei sea mines machinery ltd. Is located at a training base in the field of oak management in gyeongzhou, kae county, kaeju city, hebei province. The registration authority is the city monitoring authority of gyeong county, represented by a legal person who works on the wang beach, including the construction of mine machinery. Production, sale of coal-mine road fittings, ball cut-off valves, three-use valves, aqueduct guns, straight-through, three-way, k-style interfaces, combination-manufacturing valves, one-way locks, two-way locks, safety valves, emulsion pump fittings, high-voltage tubes and totals, metal hoses, rubber cesspits, and mining accessories. Sales of round steel, tubes, plates, wires, stainless steel. (projects subject to legal approval may not operate without the approval of the relevant department)