Well Workover Engineering Technical Service (Chinese companies list)

Business scope: Well Workover Engineering Technical Service, Drill, Engineering Supervision, Downhole Tools And Accessories, Ndt Engineering, Repair, Chemical And Petroleum Engineering Technical Consulting, Diamond Composite Drill Bits, Solid Control Equipment, Drilling Tools And Accessories, Instrument Sales, Core Bits, Fracturing Equipment, Hybrid Drill, Roller Bit, Diamond Bit, Composite Drill, Oil Drilling Equipment And Accessories,