We MANUFACTURE High Quality & Cost Effective Forged Kelly box for BAUER, MAIT, IMT, SOILMEC, CASAGRANDE and other foreign brands rotary drilling rig. ...
We can provide kelly box for BAUER, MAIT, IMT, SOILMEC, CASAGRANDE and other foreign brands rotary drilling rig. 1. High quality and competitive price ...
We can provide kelly box for BAUER, MAIT, IMT, SOILMEC, CASAGRANDE and other foreign brands rotary drilling rig. 1. High quality and competitive price ...
8 1/2" roller bits used on 1800mm core barrel drilling bucket. 1. metal sealed bearing 2. working time: about100 hours 3. IADC:637 4. suitable to hard ...
8 1/2" roller bits used on 1800mm core barrel drilling bucket. 1. metal sealed bearing 2. working time: about100 hours 3. IADC:637 4. suitable to hard ...