Shanghai has topped a list of the most attractive cities on the Chinese mainland for foreigners for the seventh consecutive year, it was revealed on Sunday. At the 17th Conference on International Exchange Professionals, Zhang Jianguo, the deputy science and technology minister, released the latest “Amazing China — the Most Attractive Chinese Cities for Foreigners” ranking. Launched in 2010 by the State Administration of Foreign Experts Affairs, the poll required foreigners to vote in four categories — expat-friendly policies, governmental administrative capacity, and working and living conditions.