Ku ya 9 Werurwe 2020, Ishyirahamwe ry’Abanyamerika Aluminiyumu Rusange Rusange ya Aluminiyumu Urupapuro rukora hamwe n’amasosiyete arimo, Aleris Rolled Products Inc, Arconic Inc., Constellium Rolled Products Ravenswood LLC, Isosiyete ya JWAluminum, Novelis Corporation na Texarkana Aluminum, Inc.yashyikirijwe Minisiteri y’ubucuruzi muri Amerika na komisiyo mpuzamahanga y’ubucuruzi muri Amerika muri Bahrein, Burezili, Korowasiya, Misiri, Ubudage, Ubugereki, Ubuhinde, Indoneziya, Ubutaliyani, Koreya yepfo, Oman, Romania, Seribiya, Sloweniya, Afurika yepfo, Espagne, Tayiwani Ubushinwa na Turukiya.Gusaba kurwanya-guta no kurwanya inkunga yiperereza risanzwe rya aluminiyumu.

Kugeza ubu, komisiyo mpuzamahanga y’ubucuruzi muri Amerika ishinzwe iperereza ku byangijwe n’inganda, kandi Minisiteri y’ubucuruzi muri Amerika izemeza niba izatanga ikirego mu minsi 20.