Core Points - The completion of the concrete pouring for the main tower of the Shuangyumeng Grand Bridge marks a significant milestone in the second phase of the Ningbo-Zhoushan Port Liuhong Highway Bridge project, undertaken by China Railway Construction Bridge Bureau [1] - The main span of the bridge reaches 1,768 meters, connecting Liuhong Island and Foduo Island [1] - The main tower stands at a height of 246.3 meters and is constructed using 12,000 tons of steel bars, 32,000 cubic meters of concrete, and 3,500 tons of section steel [1]