"Sanyawan" is a 268 high-speed coastal aluminum passenger vessel. It is the first aluminum high-speed passenger monohull in China built with three engines and three propellers hybrid propulsion and designed by the concept that speed can be adjusted for different sail purposes, which means the vessel can sail fast between scenic spots as a high-speed vessel and it can sail slow as a signtseeing vessel. It is also the largest aluminum high-speed monohull in China. It is integrated with Austal's world-leading design, technical essence and construction technology, improving passenger experience by paying attention to advantages of space layout and recreational functions. It has the characteristics of good hull structure strength, fast sailing speed, strong resistance to wind and waves, high safety and comfort, and the construction quality can inline with the world-class standard.