The Puqian Bridge is the largest independent cross-sea bridge project in Hainan Province to date. It connects Wenchang and Haikou, Hainan. The Puqian Bridge is 5600 meters in length, and the main bridge is a 230-meter steel tower cable-stayed bridge. Billion. Our company has undertaken the construction task of the 4m diameter pile foundation of the main tower foundation. The Puqian Bridge will be the fourth highest in China: 1. The highest peak acceleration of ground motion in China; 2. The first super-large bridge across active faults in China; 3. The design basic wind speed is the largest in China; 4. The first domestic bridge project using the PMC model .