Economy Trade war hurting our US business, admits Kumarmangalam Birla; warns of more Chinese dumping Updated : September 19, 2018 02:49 PM IST He said the domestic market can expect a lot of Chinese dumping, as they will be unable to find a market in the US because of the heavy duties. The group draws a considerable portion of its metals (aluminium business from its US subsidiary Novelis). Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.