LI Zhongqing
No.1 Drilling Company, Zhongyuan Petroleum Engineering Co., Ltd., Sinopec, Puyang Henan 457001, ChinaLI Chuanwu
Zhongyuan Petroleum Engineering Co., Ltd., Sinopec, Puyang Henan 457001, ChinaZHU Dajiang
PetroChina Southwest Oil & Gas Field Company, Chengdu Sichuan 610017, China1.No.1 Drilling Company, Zhongyuan Petroleum Engineering Co., Ltd., Sinopec, Puyang Henan 457001, China;2.Zhongyuan Petroleum Engineering Co., Ltd., Sinopec, Puyang Henan 457001, China;3.PetroChina Southwest Oil & Gas Field Company, Chengdu Sichuan 610017, China
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