Tianjin Leading Valve Manufacture Co, Ltd was. Located in the city of Tianjin, China. Our company was established in 2001, our factory owns modernized workshops, including casting, machining, sand blasting, vulcanizing, coating, assembly, air & hydraulic testing facilities and office buildings.  Our company mainly design as ANSI/API in America, JIS in Japan, DIN in Germany, BS in Britain, NF in France, Australia standard, GB in China etc. , specializing in designing, manufacturing and marketing of various kinds of resilient and metal seated butterfly valves, gate valves, check valves,...