The Yihang Jinzhuang is the world's first 140-meter-class piling vessel. Developed and invested in by China Communications Construction First Harbor Engineering Bureau, the vessel's pile-driver was supplied by Taizhou Sanyang Heavy Machinery Co., Ltd., integrating hydraulics, electronic controls, and mechanical components. The vessel can handle piles weighing up to 700 tons and with a diameter of 6 meters, making it suitable for offshore operations in harsh sea conditions and capable of operating in unlimited navigation areas.