Ngomhla we-9 kaMatshi, i-2020, i-American Aluminium Association Common Aluminium Sheet Working Group kunye neenkampani ezibandakanya, i-Aleris Rolled Products Inc., i-Arconic Inc., i-Constellium Rolled Products Ravenswood LLC, iNkampani ye-JWAluminium, i-Novelis Corporation kunye ne-Texarkana Aluminium, Inc.ifakwe kwiSebe lezoRhwebo lase-US kunye neKhomishini yoRhwebo yaMazwe ngaMazwe yase-US e-Bahrain, Brazil, Croatia, Egypt, Germany, Greece, India, Indonesia, Italy, South Korea, Oman, Romania, Serbia, Slovenia, South Africa, Spain, Taiwan China kunye neTurkey.Isicelo sokulwa nokulahla kunye nophando oluchasene nenkxaso-mali yephepha eliqhelekileyo le-aluminium yealloyi.

Okwangoku, inkqubo yophando lweKomishoni yoRhwebo lwaMazwe ngaMazwe yase-US iqalisiwe, kwaye iSebe lezoRhwebo lase-US liya kuthatha isigqibo sokuba lifake ityala na kwiintsuku ezingama-20.