
The dredgers had been relied on imported vessel for quite long time despite of enormous excavating demand in domestic market. Now more than 60 units of big scale cutter suction dredger with annual dredging capacity of 1 billion and annual output value of RMB 10 billion by applying the design developed by the project team under the leader of Professor Tan Jiahua have been built, which has become the principal force in Chinese dredging industry with the remarkable Chinese Speed and multiple World records in the projects of “Ports’ Building of the Belt and Road”, infrastructure construction and channel dredging, created notable social and benefits and played irreplaceable role in the respects of building a strong maritime nation, preserve national sovereignty and advancing national strategy etc.