S un Huaiqing is a self-made Chinese billionaire who is the founder and chairman of the cosmetics company, Marubi. He founded the company in 2002 and has built it into a major domestic player in the highly competitive Chinese beauty market. Marubi is best known for its focus on eye cream and other anti-aging skincare products. The company's brand has become well-known and popular with Chinese consumers.

He took the company public on the Shanghai Stock Exchange, and his family's large controlling stake is the source of their billion-dollar fortune. His success is an example of the wealth that has been created by private entrepreneurs who have successfully built domestic consumer brands that can compete with the major international giants in the massive Chinese market.