Excavator Parts manufacturer / supplier in China, offering 20-30 Ton Excavator Modified 50FT Lifting Weight 3.5-4.2 Tons Reinforced Long Arm, Hx220 22 Tons Fully Floating Amphibious Excavator Chassis Pontoon for Surface Engineering Pontoon, Hx220 50FT Long Reach Boom Skid Steer Attachments and so on.