Doosan DH 225-7 is equipped with a 6-cylinder high-power engine and has enough power to complete various excavation tasks and can improve work efficiency. It adopts the advanced hydraulic system and electronic control technology, simple and flexible operation, can accurately carry out the construction according to the wishes of the operator, improve the accuracy of the work. The high-strength steel and structural design ensure the overall stability and durability of the excavator, and can maintain a good working condition in the harsh working environment