XZ200, XZ210, XZ220, XZ230, XZ310, XZ420 series excavator are the high-powered hydraulic excavator which adopt the latest technology, put full attention on their safety and environmental performance, own the great productivity. They have strong function, wide application and can be used as excavating, loading and unloading, with their standard configuration they can be used to excavate soil below grade Ⅲ.if configured special subsidiary devices, they can be carried out of rubble, demolition, grasping wood, grasping steel, etc. the function of bulldozing and loading can be used as well. They create more value for customers. Our excavators appeal to the market by its excellent operational efficiency and low power consumption, .Optimized machine system configuration, imported branded engines and electronical controlled flow system, advanced intelligent electrical control system make Our excavator realize the integrated control of the power, hydraulic, and electricity .have remarkable energy-saving effect, at the same time they increase the operation efficiency.