UPDATE 1-Aleris, Zhongwang USA scrap merger after regulatory snag
November 13, 2017 at 10:47 AM EST
WASHINGTON, Nov 13 (Reuters) - Zhongwang USA, an investment firm backed by a Chinese tycoon, has called off its planned acquisition of U.S. aluminum maker Aleris Corp after failing to win U.S. government approval, the companies said on Monday.