On 2^nd Dec, 2022, two units of 5,000kw ASD tugboats built for Zhoushan Port and named "ZHOU GANG TUO 43" and "ZHOU GANG TUO 45" have been delivered.

        The vessel has length oa of 41.225m, length bp of 39m, breadth of 11.5m, depth of 5.3m, BP ahead of 85.5t, BP astern of 77t, endurance of 1,100nm and speed of 13.75kn. It also is equipped with FIFI-1 capacity of 2,800m³/h.