Zhong Shanshan, who became Asia's second-richest man behind Mukesh Ambani, founded China's largest bottled water company Nongfu Spring and also controls vaccine maker Beijing Wantai Biological Pharmacy. Nongfu's recent listing tripled his wealth to $56.6 billion. Nicknamed the 'Lone Wolf', the 66-year-old worked as a construction worker and newspaper reporter before starting his own business.