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HARBIN, June 15, 2016 (Xinhua) -- Visitors consult during the 4th China International Advanced Materials Industry Exposition, which is also the 27th Harbin International Economic and Trade Fair, in Harbin, northeast China's Heilongjiang Province, June 15, 2016. A total of 1,527 exhibitors set 2,410 exhibition stands. So far, more than 4,300 merchants from some 70 countries and regions took part in the events. (Xinhua/Wang Jianwei)
