Room C 17FloorNo.270 Chung Ming South Rd, Taichung, Taiwan

John Valve is one of the largest valve manufacturers in Taiwan; we have been manufacturing valves since 1981 with great reputation worldwide. Our products are widely used in chemical, petrochemical, p...

Our products are mainly recognized for accuracy and precision, thanks to skilled professionals and lab experts at our production facility situated in Taichung, Taichung, Taiwan. The reason John Valve ...