What is Yushan Island in Daishan?

Develop port industries and petrochemical industries. Daishan, to which Yushan Island belongs, is located in the middle of Zhoushan Archipelago, backed by the hinterland of the Yangtze River Delta, where China's economy is the most active, and bounded by the T-shaped north-south sea passage and the golden waterway of the Yangtze River. Waterways, deep-water coastlines and islands are rich in resources, which is the place to develop port industry and petrochemical industry. Yushan Island is located in the grey turtle sea area 4 nautical miles away from Daishan Island, with good water depth conditions, which is convenient for harbor construction and berthing of large-tonnage ships.