Ma Jianrong & family

Ma Jianrong, a former factory worker, chairs Shenzhou International Group Holdings, China's largest exporter and maker of knitwear and garments.

Shenzhou's customers include Nike, Uniqlo and Adidas.

Most of Shenzhou's revenue comes from overseas markets.

Ma's brother-in-law Huang Guanlin is Shenzhou's general manager and an executive director.