Hao Bangmei provided customized deep well pumps for CNPC and received unanimous praise from the staff. Independent innovation of electronic intelligent overheat protection technology, to ensure the lack of phase, stuck and not burning machine; Import sealant to ensure that the cable is damaged without water, improve the reliability of pump operation. The standards and accuracy of the medium temperature, PH value, density, diving depth, voltage fluctuation range and so on are strictly required. So the cooperation with Hao Bangmei is trustworthy!