MENG Xiang-bo
No.1 Drilling Company of Daqing Drilling & Exploration Engineering CorporationCHEN Chun-lei
No.1 Drilling Company of Daqing Drilling & Exploration Engineering CorporationSUN Chang-qing
No.1 Drilling Company of Daqing Drilling & Exploration Engineering CorporationNo.1 Drilling Company of Daqing Drilling & Exploration Engineering Corporation,No.1 Drilling Company of Daqing Drilling & Exploration Engineering Corporation,No.1 Drilling Company of Daqing Drilling & Exploration Engineering Corporation