LI Ming-zhong
SINOPEC Huabei Oilfield Service Corporation, Technology Service CompanyJIANG Xin-li
SINOPEC Huabei Oilfield Service Corporation, Technology Service CompanLI De-hong
SINOPEC Huabei Oilfield Service Corporation, Technology Service CompanyLIU Fu
SINOPEC Huabei Oilfield Service Corporation, Technology Service CompanyLI Ji
SINOPEC Huabei Oilfield Service Corporation, Technology Service CompanySINOPEC Huabei Oilfield Service Corporation, Technology Service Company,SINOPEC Huabei Oilfield Service Corporation, Technology Service Compan,SINOPEC Huabei Oilfield Service Corporation, Technology Service Company,SINOPEC Huabei Oilfield Service Corporation, Technology Service Company,SINOPEC Huabei Oilfield Service Corporation, Technology Service Company
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