Jiang Rensheng & family

Jiang Rensheng chairs Shenzhen-listed vaccine firm Chongqing ZFSW Biological Products, known as Zhifei.

A longtime distribution partner of Merck, Zhifei won the Chinese sales rights to the U.S. pharma's HPV drug in 2018.

The company went public at the Shenzhen Stock Exchange in 2010.

Prior to striking out on his own, he worked as a primary school teacher and a government health official.