Dredger, Cutter Suction Dredger, Sand Dredger manufacturer / supplier in China, offering Watermaster, Small Sand Dredge (YS-CSD 2008), Dismountable Tug Boat and so on.
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Our company has applied the patent for cutter suction dredger.
patent number of structure is ZL 2012 2 0301711.9
patent number of color is ZL 2013 3 0428530.2