Digging downwards, suitable for various narrow working conditions: Dig caissons, deep pits, house foundation pits, etc.
Digging depth is very deep, suitable for digging soft soil silt.![]()
2.Main Material we choose is Q690/ HG785/LG700
Lighter and stronger
The main material of arm tube we use is Q690D/HG785/LG700
Enhance longer life-span, lighter and stronger
The other place we use Q355B.




















