Port of Shanghai, China 2. Port of Singapore, Singapore 3. Port of Ningbo-Zhoushan, China 4. Port of Shenzhen, China 5. Port of Guangzhou, China 6. Port of Qingdao, China 7. Port of Busan, South Korea 8. Port of Tianjin, China 9. Port of Hong Kong 10. Port of Rotterdam, The Netherlands