John Valve Mfg. Factory

John Valve is one of the largest valve manufacturers based in Taiwan since 1981; we carry industrial valves mainly in stainless steel. Our valves can also be mounted with actuators to make a complete Automation Valve. Not only we are a specialized valve manufacturer, we also have our own casting foundry, which can produce quality investment castings according to customer design and specification.

We have obtained ISO-9001:2000 certified Quality System, ISO-14001 certificate, ADTRD-W0:2000 approved manufacturer, PED-97/23/EC certified casting foundry, TA-Luft Fugitive Emission certified, and we have API-607 Firesafe approved ball valve to sustain high-temperature service. More importantly, we are a Lloyd's approved material supplier of Duplex stainless steel.

We offer our customers valves and castings with the best quality, the most competitive prices and the most reliable service.