According to public information, Liannandu started a business. At first, Du Hantang and Du both had the long-term vision of businessmen. After the food stall business improved, they bought dozens of acres of land around the food stall. Later, they built hotels and operated food stalls again and again. A few years later, they accumulated the first bucket of gold in their lives. Du is currently the legal representative of Guangdong Zhonghe Times Technology Co., Ltd., Guizhou Jianhe Zhonghe Times Technology Co., Ltd. and Liannan Yao Autonomous County Wanxin Mining Co., Ltd.