Get the latest price? We will reply as soon as possible (within 12 hours)

News

  • 07-17/2025
    The air lock problem in heavy oil mining is being gradually solved by our company. We Tieling Dongsheng Petroleum Machinery Co., Ltd. with the design of this mechanical valve, the forced valve rod pump has achieved a breakthrough in reducing the air lock rate by 90% in oil fields such as Liaohe and Daqing. Today we will pass some key questions and answers to uncover the innovative core of this domestic technology.