World's Biggest Aluminum Producer Faces Default, Warns Of "Dramatic Social Unrest" Without A Beijing Bailout

``Additionally, China Hongqiao has been more profitable than some Chinese competitors. For instance, China Hongqiao earned an average operating profit margin of 27% in the past five years, compared with minus-1.7% for state-owned Aluminum Corp. of China , known as Chalco, and 5.9% for Alcoa, according to FactSet. "People were always skeptical about how they managed to be more profitable than their peers," said Sandra Chow, a credit analyst at CreditSights. And while China Hongqiao denied the Emerson report's allegations and said it hired an investigative agency to look into the firm and people behind the claims, things are starting to unravel rapidly for the Chinese megacap.''