The Shanghai government sought to feature Yangshan as the chief port on China 's east coast .
The Shanghai government refused to allow a cross-bay bridge to be built on its territory , which would improve access to the Port of Ningbo at Beilun .
The Shanghai government sought to feature Yangshan as the chief port on China 's east coast and refused to allow a cross-bay bridge to be built on its territory , which would improve access to the Port of Ningbo at Beilun .