Sichuan Provincial Bureau of Quality Supervision recently in the province of water pump manufacturers to produce a special spot checks. Including small submersible pump 19, submersible sewage pump 13 groups, submersible screw pump 2, submersible pump with a group of wells, of which 29 were qualified, with a pass rate of 82.9% over the same period increased by 23.3% . Therefore, the safety performance is still the weak link of submersible pump product quality. For buyers, the procurement process needs to pay attention to the following aspects: 1, materials: most companies to reduce costs, lack of motor materials and the selection of inferior materials, procurement need to identify the material selection; 2, selection: the hydraulic model of the pump needs to go through Design selection, pay attention to view the product processing technology and assembly quality; 3, wear: impeller mouth ring, bearing and shaft seal mechanical friction loss easily lead to product failure, timely experiments are very important. In summary, the safety of submersible pumps has become a key purchase step. The Xiaobian special recommended several sub-brand quality submersible pump, easy to buy submersible pump! Beluga pump valve operation department is under the Guangdong Wanshun enterprises. Mainly engaged in sales of pumps, valves and pipe fittings, instruments and so on. Cooperative companies are: Co Yu pump factory, Beijing whale Teng Industrial Pump Manufacturing Co., Ltd., Beijing Pump Factory, Mudanjiang Valve Plant, Valve Plant in Fuzhou, Xi'an Pump Valve Plant, Hebei Valve Manufacturing Co., Ltd., Japan KITZ, Japan YS ', Japan gourd fittings, Taiwan 317 and so on.