C ai Mingtong is a Chinese entrepreneur and the chairman of Hithink RoyalFlush Information Network, a leading provider of online financial information and securities trading software in China. The company is often compared to a combination of Bloomberg and a major online brokerage, providing real-time market data, financial news, and a popular platform for retail investors to trade stocks.

Cai founded the company and has been the architect of its growth, capitalizing on the explosion of retail investing in China. As millions of new investors entered the stock market, Hithink RoyalFlush's software became an essential tool, making it a dominant player in the financial technology sector. The company is publicly traded on the Shenzhen Stock Exchange, and its success in serving China's massive and active base of individual traders has made Cai Mingtong a billionaire.