Zheng Yonggang has four children, one son with his ex-wife and two sons and one daughter with his current wife.
Zheng Yonggang is the founder of Shanshan brand and the former chairman of Shanshan Holdings Limited. On February 10, 2023, Zheng Yonggang died of illness at the age of 65. Zheng Yonggang's son named Juzheng, born with his ex-wife, is currently the president of Shanshan Group, the chairman and legal representative of Shanshan Co., Ltd.