China Zhengzhou Pump Valve Co.,ltd-A National Hi-tech Enterprise-was founded in 1995 and is a modern enterprise integrating product design,production,manufacturem sale and service,and its main products include all kinds of valves,like butterfly valves and ball valves,plus water pumps and hydraulic control actuators,which are well-received throughout China and the rest of the world and have won deep favor and trust of users.