The registration address of the romyuvo valves ltd. Is located in the village of the village of sangyou, in the northern district of ryuyou district, in the city of ghuntai, hebei province. The registration authority is the market supervision authority of the land of lungyou, represented by legal persons, and is made up of valves and rotors. Sale of valves and valve castings, filters, casting tubes, frank (except for the variety of special equipment), auto parts, hardware products, mechanical equipment, plastics, metal products, building materials (except sand, stones); import and export of goods or technology. (projects subject to legal approval may not operate without the approval of the relevant department)