Jiangyin欧雷斯Valve Co., Ltd. specializes in import of equipment overhaul valve repair; at gas import relief valve repair, valve repair imported steam, nitrogen import relief valve repair, valve repair water imports, import pneumatic valve repair, import and other import-controlled solenoid valve valve repair for more than 30 years technical experience, the quality of imported valve repair with the new imports of the same valve you never authorized. At valve repair, import relief valve repair complex; import relief valve, control valves are used the body parts of the opening gate to regulate the flow of medium, medium pressure to lower pressure after the valve simultaneously with the role of regulation headstock of the opening piece, so that after the pressure valve to maintain at a certain range, the inlet pressure at the ever-changing circumstances, to maintain outlet pressure at setting the framework of the back to protect its pipelines, equipment, pressure, temperature stability ... ... ... ... ... ...