... boat along riverside, with the function of official reception and emergency assistance. The material of hull is steel. The speed ... full-rotary tugboat, 1000HP 16m Tugboat, 34m Maritime supervise boat, cutter-suction dredger, bucket-wheel dredger, 73m container vessel ... fixed type floating crane ship, multi-function working boat, Auto boat, marine patrol boat,etc. For more information of the machine, ...