In 1990, as Congress debated whether to renew trade benefits for China after the break over Tiananmen, the National Committee organized the first post-Tiananmen visit of a high-level Chinese delegation to the United States. Led by Shanghai mayor and future PRC premier Zhu Rongji, the delegation included former Shanghai mayor Wang Daohan and the mayors of Wuhan, Chongqing, Taiyuan, Hefei, and Ningbo — six of China's largest and most outward-looking cities.