YB Tan Sri Ong Ka Ting signing the plaque to officially launch the naming ceremony of Tun Tan Siew Sin and Tan Sri Khaw Khai Boh buildings. (From left to right) Puan Sri Khaw Kai Boh, Mr Khaw Chay Tee, Dr Tan Chik Heok, Ms Tan siok Lee, Madam Tan Siok Choo and Ms Tan Siok Eng
