Huangmaohai Sea-crossing ChannelThe Huangmaohai Sea-crossing Channel is a bridge complex over the Huangmao River river between Taishan and Zhuhai, Guangdong province.Huangmaohai BridgeThe Huangmaohai Bridge is a cable-stayed bridge with three towers and a span arrangement of 100+280+720+720+280+100 meters, when it opened, it is one of the longest double cable-stayed bridge with two main spans.Gaolangang BridgeThe Gaolangang Bridge is a cable-stayed bridge with a span arrangement of 110+248+700+248+110 meters.