Wetland dredging machines independently developed by the company, such as HK300SD wetland dredger, equipped with stirring suction pumps and adopted elongated arms, large torque walking mechanism, unique cushion structure design and electronic energy-saving technology, can carry out excavation work while dredging silt. In particular, HK280SC deep-water intelligent silt cleaner can realize deep-water floating, sonar detection, underwater imaging, speed detection, surface positioning and navigation and other intelligent functions. In addition, the whole machine is equipped with auxiliary floating boxes and supporting rods, which greatly improves the stability of wetland and water dredging operations.