The undercarriage pontoons can fit all kinds of excavator's upper structure.

1.Low ground pressure.
2.Big buoyancy.
3.Dredging. Cleaning fish pond, managing waste ponds.
4.Maintance hole: when the machine malfunction, facilitate personnel n maintance and repair.
5.High intensity wear-resisting material prolong the life of pontoon.
6.Expand the scope of application of excavator and usage.