1 June 2009 – The Sun Island, a man-made island in Yangkou Port has passed in final examination and the quality of engineering work rated as outstanding, while the safety of its structures was graded as Class 1. The results indicated successful construction of the first man-made outlying island in China.

The Sun Island, which locates on Yellow Sea is 13km apart from the nearest coastal area, is linked by the Yellow Sea Crossing. The construction works, which was huge in scale and technically complicated, was completed under radical meteorological conditions. The total area of the Island is 1.44km2, with seawall of 4,688m in length.