Apfdbde Double-bottom Double-entry Rotary Drill Bit

Apfsh-sr Single-head Straight Screw Mixed Tooth Short Spiral Drill Bit

Apfcbrt Bulldozes Core Barrel

Apfxksys-s2 Two-wing Rock Reaming Bit

Casing Twister

Jtc 40d Trench Cutter

Apfdbse Double Bottom Single Side Soil Pilot Type Rotary Drilling Bit

Apfsh-s Single-head Straight Screw Bucket Tooth Short Spiral Drill Bit

Apfcbr-sy Waterway Core Barrel With Roller Bit

Apfxksys-s3 Three-wing Rock Reaming Bit

Conical Bottom Buckets

Three-phase Disc Player

Apfxksys-s1 Drilling And Expansion Drill

Apfcbr-xz Pebble Grab Core Drill

The Afexwx Casing Oscillators

Pb219a Hydraulic Pile Cutter

The Afexwx Casing Oscillators

Casings

Apfbdt Bulldozes Drilling Bucket

Apfdbde Double Bottom Bilateral Soil Entry Pilot Rotary Drill Bit

Apf-zd Pick-up Cone Bottom Rotary Drill