Amphibious Excavator, Pontoon, Floating Excavator manufacturer / supplier in China, offering Versatile 20 Ton Amphibious Excavator Suitable for River, Lake and Marsh Areas, Reliable 20 Ton Amphibious Excavator Equipped with Anti-Corrosion Pontoon Undercarriage, High-Performance 20 Ton Amphibious Excavator for Challenging Construction Tasks and so on.