ZHENGZHOU.Founded in 1995 and located in Wenzhou, Zhejiang, ZHENGZHOU is a manufacturing enterprise specializing in the production of large-diameter valves and hydraulic control devices. Its core product range covers an exceptionally wide size spectrum from DN40 to DN4500, including butterfly valves, ball valves, check valves, flow control valves, rupture valves, cone valves, valve assemblies, pressure pipeline inlet valve assemblies, and bypass hydraulic needle valves, among other types. The company boasts a production area exceeding 30,000 square meters and is equipped with large-scale processing machinery, such as a 6.3-meter CNC vertical lathe, to support its production and manufacturing capabilities for large and extra-large valves. It serves sectors requiring large-diameter fluid control, including water conservancy, hydropower, municipal engineering, and industrial piping.