On August 4, 2025, the fifth batch of two 2646kW fully revolving tug-supply dual-purpose vessels—”Yi Tuo 110″ and “Yi Tuo 111″—built by Jiangsu Zhenjiang Shipyard (Group) Co., Ltd. for the “Belt and Road” project of COSCO SHIPPING Bulk Co., Ltd., the Guinea bauxite project, were successfully launched.