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Changyi Valve Co., Ltd. specializes in the production of stainless steel valve series products, casting and processing one-stop service. Specializing in the production of Q11, Q41, Q44, Q45, Q47 and other ball valves, three-way ball valves, flanged globe valves J41 J11, gate valves Z41 Z15, filters QL41, GL11, H41W check valve, H42W check valve, H44W check valve Valve, H71, H72, H74, H76 wafer check valve, oxygen shut-off valve JY41, up and down discharge valve, discharge ball valve, national standard, American standard, Japanese standard and other valve products and valve bodies.