On March 23, 2018, the Logging Support Center jointly established by POLY-GCL Petroleum Group Holdings Limited and CNPC Logging was formally inaugurated and founded. Liu Cheng (executive vice president of POLY-GCL Petroleum Group), Wang Zhaoming (chief geologist of POLY-GCL Petroleum Group), technicians of the Exploration Department and Development & Production Department of POLY-GCL Petroleum Group, Tang Tianzhi (chief engineer of CNPC Logging Company), Cai Zengze (manager of the International Business…