The Secretary for Economy and Finance, Mr Leong Vai Tac, attends the plaque unveiling ceremony of the Liaison Office of the Guangdong Food and Drug Administration in the Traditional Chinese Medicine Science and Technology Industrial Park of Co-operation between Guangdong and Macao. Following the ceremony in Hengqin, Zhuhai, Mr Leong also attends the 1st Seminar on Traditional Chinese Medicine Policies.