Why is Du Qinglin called the King of Hainan?

20 10 to 20 16 served as the chairman of Hainan bank.

Du Qinglin is known as the "King of Hainan" because he served as the chairman of Hainan Bank from 20 10 to 20 16, during which he contributed to supporting the local real economy and promoting his own development. Because of his leadership and contribution, Hainan Bank was called "King of Hainan" at that time.