Recently, a new type of oil-gas mixing pump has been successfully applied to No.2 Oil Production Plant of Zhongyuan Oilfield. It can boost the pressure of crude oil, water and gas mixture produced from the oil well and send it directly to lower the production pressure of wellhead and increase the production of oil well , To extend the effect of well life. The pump through its own internal circulation and automatic compensation system to solve the pump in the course of the seal leakage and pump efficiency and other issues. Woll Wok,Stainless Steel Wok,Carbon Steel Wok,Cast Iron Wok Ningbo Haojie Metal Industry and Trade Co., LTD , https://www.yongnonstickpan.com