LI Wen-ming
Drilling Engineering Technology Research Institute of Daqing Drilling & Exploration Engineering CorporationLI Huan-huan
Drilling Engineering Technology Research Institute of Daqing Drilling & Exploration Engineering CorporationLI Yi
No.6 Oil Production Company of Daqing OilDrilling Engineering Technology Research Institute of Daqing Drilling & Exploration Engineering Corporation,Drilling Engineering Technology Research Institute of Daqing Drilling & Exploration Engineering Corporation,No.6 Oil Production Company of Daqing Oil
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