Chen Yunlin(front L),president of the Chinese mainland's Association for Relations Across the Taiwan Straits,shakes hands with Chiang Pin-kung(front R),Chairman of the Taiwan-based Straits Exchange Foundation(SEF),during a welcome ceremony held in southwest China's Chongqing Municipality,June 28,2010.A delegation headed by Chiang Pin-kung arrived in Chongqing Monday for a new round of talks with the Chinese mainland.(Xinhua/Chen Jianli)