Dalian Hengli set up the “Dalian Hengli Ordos valve maintenance technology service center” in Ordos on 22th April, 2014. The leadership of Dalian Hengli Measure and Control Instrument Engineering Co., Ltd Dalian went to Ordos to cut the ribbon for valve maintenance technology centor, at the same time invited the related leaders of Ordos coal oil to attend the ribbon-cutting ceremony.