HONG KONG — Mr Zhong Shanshan, chairman of Nongfu Spring and owner of Beijing Wantai Biological Pharmacy Enterprise, currently holds the title of China’s richest man. The 66-year-old holds a fortune worth US$68.5 billion (S$91.85 billion) according to Bloomberg’s Billionaires Index, and was briefly even Asia’s richest person – dethroning India’s Mukesh Ambani earlier this year.