- DCS drill collar slip
- 2016-12-23 14:36
- Description:.desc-content { min-height: 250px }198200207Use in insert bowl numberAPI or No.3No.2No.1Max.Load (kN)360
- oil drilling tools-DDZ type Drill Pipe Elevator
- 2016-12-23 13:58
- Description:.desc-content { min-height: 250px }1.drill pipe elevator2.type:DDZ3.API Spec 8C ISO9001:20084.GB/T 28001-200