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 Mfg. Factory Co., Ltd. Corporation Limited Liability Company is listed among leading Carbon Steel Valves Manufacturers and Suppliers is the durability of valve, stainless steel valve, ball valve, carbon steel valve, flanged, gate valve, globe valve, check valve, butterfly valve, actuators, promised and delivered on every order. With years of experience and expertise in the Carbon Steel Valves industry we are now able to drive annual revenue estimating around More than 6 Million US Dollar owing to Australia,Canada,Germany,United Kingdom,Vietnam export market share. Since our inception, back in 2001, we hold most satisfied consumer base which can be witnessed with our export ratio value of US$1 Million - US$2.5 Million with successful 19 Years of export history. John Valve Mfg. Factory Co., Ltd. started off with US$1 Million - US$2.5 Million of initial capital under Own Lisence.