On 21^st May, 2022, One unit of 5,220kw ASD tugboat built for Jiangsu Zhitai and named "ZHI TAI TUO 1" has been delivered.

        The vessel has overall length of 38.5m, breadth of 11.4m, depth of 5.3m, bollard pull (ahead) of 85t, bollard pull (astern) of 76t, endurance of 1,000nm and speed of 13.5kn.