Shanghai zheng ao Pump Manufacturing Co., Ltd. is a professional pump manufacturer, our factory has strong Shanghai pump design, production, sales and service team. Production history long, with a perfect quality management system, complete testing means, advanced production technology to ensure Zhengao brand product quality has to worry about the protection of free customers. It is the most important and the largest diaphragm pump, pneumatic diaphragm pumps, pipeline centrifugal pump, magnetic pump, oil pump, self suction pump, liquid pump, resistance to corrosion pump, gear pump, the plastic pump, pumps, sewage pumps, gear pumps, G-type screw pump industrial pump suppliers. The main products are exported to Southeast Asia and domestic, by chemical, petroleum, petrochemical, environmental protection, water supply and drainage, metallurgy, power, paper, pharmaceutical, printing and dyeing, desalination, food brewing, HVAC and other industry users.