W ang Junmin is a Chinese billionaire who is the chairman of the Haisco Pharmaceutical Group. The company specializes in the research, development, and sale of specialty drugs in China. The company has a strong focus on producing drugs for specific therapeutic areas, with a particularly strong market position in anesthetics and drugs for the treatment of liver disease. The company's growth has been driven by China's expanding healthcare market and its focus on high-margin specialty pharmaceuticals.

His wife, Tan Lili, is also a major shareholder in the company. The family's controlling stake in the publicly traded company is the source of their considerable fortune. He is a major figure in the Chinese pharmaceutical industry and has been the driving force behind his company's success.