深圳大学
In 1999, a 52% stake of Yulong, that was held by Shenzhen University, was sold to wife and mother-in-law of Guo for . in June 2001, the remaining 48% was also acquired by Guo and his wife from Dickman Enterprises for , making Guo, his wife and his mother-in-law owned 100% stake of Yulong.