$ASKH The main area for foreign investment is the Nantong Economic and Technological Development Zone, which includes the Nanjing Export Processing Zone, and the Nantong High-Tech Industrial Development Zone. Nantong also serves as a transportation hub with the Nantong Port operating as one of the 10 largest ports in China for containers from Hong Kong, Japan and South Korea. Related to the port, Nantong’s shipbuilding sector is one of the largest in China with shipyard giants COSCO, Rongsheng, Yahua and Daoda.