1997
An investigative report by an American journalist noted that Xiang Huaqiang is a co-owner of a Beijing luxury entertainment venue TOP Ten, and the other co-owner is then-Minister of Public Security Tao Si Ju.
1993-03
The South China Morning Post, citing Hong Kong police, said that several senior figures of Sun Yee On visited Beijing and are believed to have met Tao Si Ju.
1993
At the time, Chinese Public Security Minister Tao Si Ju publicly said that as long as Hong Kong's triad organizations are patriotic and care about Hong Kong's prosperity and stability, they should be united.