
Zhejiang Mencrown Valve Co., Ltd, old name Zhejiang Guanlong Machinery Valve CO Ltd, locates at Oubei Sanqiao Industrial Zone, Wenzhou city. As a medium-sized professional valve manufacturer, our company dedicated to make all kinds of water supplying and drainage valves, mainly including check valves, water control valves, pump control valves, flow and pressure regulating valves, strainers, air release valves etc. We make all efforts on products research, design, production, sales, installation and ...