Pa Marichi 9, 2020, The American Aluminium Association Common Aluminium Sheet Working Group ndi makampani kuphatikiza, Aleris Rolled Products Inc., Arconic Inc., Constellium Rolled Products Ravenswood LLC, JWAluminium Company, Novelis Corporation ndi Texarkana Aluminium,Inc. zaperekedwa ku Dipatimenti ya Zamalonda ya ku United States ndi bungwe la US International Trade Commission ku Bahrain, Brazil, Croatia, Egypt, Germany, Greece, India, Indonesia, Italy, South Korea, Oman, Romania, Serbia, Slovenia, South Africa, Spain, Taiwan China ndi Turkey. Kugwiritsa ntchito kufufuza kwa anti-dumping ndi anti-subsidy papepala la aluminium wamba.

Pakadali pano, bungwe lofufuza za kuwonongeka kwa mafakitale la US International Trade Commission layambika, ndipo Dipatimenti Yowona za Zamalonda ku US isankha ngati ipereka mlandu mkati mwa masiku 20.