On the morning of 28 July 2009, Hong Kong Secretary for Security Lee Siu Kwong and company including high-ranking officials of Hong Kong Security Bureau, Hong Kong Police Force, Hong Kong Customs and Excise Department, Immigration Department and Social Welfare Department paid a visit to us, held talks with Shenzhen Vice Mayor and Public Security Director Li Ming, Director Zhang Dongsheng of Drug Prohibition Office of Shenzhen Municipal Political and Judiciary Committee, Deputy Director Song Min of Shenzhen Customs Anti-smuggling Bureau, officials of Shenzhen Public Security Bureau including Wang Jianping, Qian Wei, Wang Yijun and Ren Jiguang and other municipal officers, and exchanged views on strengthening cooperation between Shenzhen and Hong Kong in joint crackdown on drug crimes. After the meeting, they attended a press conference in the lobby on the ground floor of the Command Center of Shenzhen Public Security Bureau. After that, Shenzhen Municipal CPC Secretary Liu Yupu, Acting Mayor Wang Rong and other municipal officials including Bai Tian, Dai Beifang, Li Ming and Li Ping interviewed Lee Siu Kwong and company.