Jiaozhou Bay Bridge
Qingdao Jiaozhou Bay Bridge is 36.48 km long and completed in four years. The total length of the bridge exceeds Hangzhou Bay Bridge and Chesapeake Bay Bridge, which is the longest bridge in the world.
This bridge uses din6914 M16 * 50 M16 * 55 M16 * 150 M20 * 140 grade 10.9s products, more than 1 million sets.