2004— | President, Shum Yip Holdings Company Limited Guangdong Province, Shenzhen City | |
1998—2004 | Chief Executive, Shenzhen Construction and Investment Holdings Company Limited Guangdong Province, Shenzhen City | |
1996—1998 | Chairman, Shenzhen Construction and Investment Holdings Company Limited Guangdong Province, Shenzhen City | |
1991—1992 | Chairman, Shenzhen Youth Federation Guangdong Province, Shenzhen City |