The Financial Secretary, Mr John C Tsang (front row, left), and the Vice-Minister of Commerce, Mr Jiang Yaoping (front row, right), today (June 29) signed Supplement IX to the Mainland and Hong Kong Closer Economic Partnership Arrangement. State Councillor, Madam Liu Yandong (back row, centre); the Chief Executive, Mr Donald Tsang (back row, second left); the Director of the Hong Kong and Macao Affairs Office of the State Council, Mr Wang Guangya (back row, second right); the Director of the Liaison Office of the Central People's Government in the Hong Kong Special Administrative Region, Mr Peng Qinghua (back row, first right); and the Secretary for Commerce and Economic Development, Mr Gregory So (back row, first left), witnessed the signing ceremony.