Business scope: Perforation,
Drilling,
Logging,
Market Survey,
Oil And Gas Field Engineering Technical Services,
Pipe Installing,
Conference Services,
Labor Dispatch,
Test The Gas,
Software Technical Service,
Human Resources Information Consulting Service,
Test Oil,
Fracture,
Acidification,
Cementing,
Workover,
Business Management Consulting,
Import And Export Of Goods Or Technology,
Downhole Operation,
Oil,