How old is Cao? Director of Changsheng Bearing

Cao: Male, China nationality, no right of abode abroad, college degree. 1995 to 1 1 served as deputy director of Jiashan Changsheng Workshop, 1997 to 1, and in 2004 served as deputy minister and minister of Jiashan Changsheng Manufacturing Department, 1 1, in 2004.