What made Wu Dongxiang rich in Wanning, Hainan?

Wu Dongxiang in Wanning, Hainan made a fortune by developing real estate. Wu Dongxiang is the legal representative of Sanya Donghong Industrial Co., Ltd., Sanya Henghao Real Estate Development Co., Ltd. and Sanya Donghong Trading Co., Ltd., a shareholder of Hainan Wang Hao Commercial Management Co., Ltd. and Sanya Henghao Real Estate Development Co., Ltd., and a senior manager of Sanya Donghong Industrial Co., Ltd., Sanya Henghao Real Estate Development Co., Ltd. and Hainan Tianning Real Estate Development Co., Ltd. ..