Chia-Juch Chang (R), board chairman of China Airlines, issues a membership card to Chiang Pin-kung, former chairman of the Straits Exchange Foundation (SEF), during the press conference in Taipei, Taiwan, Jan 3, 2013. China Southern Airlines, China Eastern Airlines, Xiamen Airlines from mainland and China Airlines from Taiwan on Thursday signed an cooperation contract and launched the "great China, fly together" program, aiming at providing better services by sharing resources together. [Photo/Xinhua]