APF-ZD Pick-up Cone Bottom Rotary Drill
Product Name:APF-ZD pick-up cone bottom rotary drill
1.APF-ZD picket cone bottom rotary drilling
2.There is no upper and lower floor, and the lower cylinder has opening and closing mechanism.
Mudstone, sandstone, pebble layer, medium hard rock or clay layer.
Note: can be customized according to customer needs.