context: Ningbo, Wenzhou, Taizhou and Zhoushan are important commercial ports. The Hangzhou Bay Bridge between Haiyan County and Cixi, is the longest bridge over a continuous body of sea water in the world.
question: నింగ్బో, వెంజో, తైజౌ లతో పాటు ముఖ్యమైన వాణిజ్య నౌకాశ్రయం ఏమిటి?
answers: Zhoushan