The project is a main dredging project in Suzhou, including 10 dredging rivers (sections)in total, like Shan tang River, Hu qiu mountain around River (including tributary), duck's foot beach, Yuan gen beach, and Shuo fang zhuang River, with a total length of 18 kilometers. This Dredging earthwork has 240,000 cubic meters in total. 8 sets special dredging quick press for river and lake were used, and dredging work was completed in 2 months.