Sea-crossing section of Jintang Bridge works is 18.2km long. FHEC undertook contract package No IV-D including 7.5km long bridge works. The works mainly consists of 246 Independent pile caps. Understructures of caps are steel pipe piles, of which the lengths range between 67.5 to 87.5m. The cap diameter is 8.9m and the height is 3m and bottom sealing concrete thickness is 0.8m. Superstructures on pile caps are precast rectangle concrete hollow thin wall pier structures, of which the maximum height is 18.828m and the maximum lifting weight is 450t.