Amphibious Excavator, Pontoon, Floating Excavator manufacturer / supplier in China, offering Energy-Efficient 20 Ton Amphibious Excavator Pontoon Undercarriage for Wetland Projects, Durable 20 Ton Amphibious Excavator Ideal for Dredging and Wetland Projects, Anti-Corrosion Amphibious Excavator Pontoon Undercarriage for Long-Term Use in Water and so on.