Tianjin Zhongfa Valve Co., Ltd. was founded in 2006 as a valve manufacturer in Tianjin, China. We mainly produce butterfly valves, gate valves, check valves, knife gate valves, etc. Our valves comply with valve international standards of ASTM, ANSI, ISO, BS, DIN, GOST, JIS, KS, etc. Size DN40-DN3000, nominal pressure:0.1Mpa~2.5Mpa, suitable tempera...