Na Machị 9, 2020, The American Aluminum Association Common Alloy Aluminum Sheet Working Group na ụlọ ọrụ gụnyere, Aleris Rolled Products Inc., Arconic Inc., Constellium Rolled Products Ravenswood LLC, JWAluminum Company, Novelis Corporation na Texarkana Aluminum, Inc. nyefere na Ngalaba Azụmahịa US na US International Trade Commission maka Bahrain, Brazil, Croatia, Egypt, Germany, Greece, India, Indonesia, Italy, South Korea, Oman, Romania, Serbia, Slovenia, South Africa, Spain, Taiwan China na Turkey. Ngwa maka nyocha mgbochi mkpofu na mgbochi enyemaka nke akwụkwọ aluminom alloy nkịtị.

Ka ọ dị ugbu a, usoro nyocha mmebi ụlọ ọrụ US International Trade Commission ebidola, na Ngalaba Azụmahịa US ga-ekpebi ma ha ga-agba akwụkwọ n'ime ụbọchị iri abụọ.