At 11:38 a.m. on May 9, 2018, the WFS-2 standard for the North-South Highway Connection Project of the Wufeng Mountain Crossing River Passage undertaken by Ningbo Yitong Construction Co., Ltd.'s first project company was constructed with 102 main bridges of the Mangdao River Super Bridge. The pile foundation project in water lasted for more than 7 months, and the final pile foundation controlled pile foundation construction was successfully poured.

The main bridge of the project spans the Sanjiang Yingjiajiang River and connects the two routes of Guangling and Jiangdu with a total length of 1.975KM. The pile foundation project includes 4 main pier and 2 transition pier, and a total of 134 bored cast-in-situ piles. Among them, the diameter of the main pier in the water is 2.0m, the depth of the hole is 123 meters, and the total sand layer is 102. Four sets of ZJD-2500 hydraulic rigs are used for construction. The completion of the main pier means that the amount of work in the contract has been 96% completed. 70% of the pile inspections are completed, all of which are first-class piles, and the construction period is controllable, marking that the project has taken a big step towards the main control point of "quality engineering".

Since the commencement of the Wufeng Mountain Mangdao River Bridge Project, it has adhered to the civilized construction requirements of “clear responsibilities, listed construction, orderly on-site, cleared construction, strict discipline, and obvious warning”. With the unremitting efforts of all members of the project department , Its project progress, safety, quality and civilized construction have been unanimously recognized and affirmed by the owner and the general contract leader. Next, Yitong people will, as always, uphold the spirit of "focus, conscientiousness, innovation, and service" and the "special, long-term, win" corporate values, and will polish the century-old Yitong's golden signboard!