★经营美国“ALCOA”优质铝合金范围:

T6061-T6,6061-T651,A5052-H32,T7075-T651,7075-T6, 1100,1050,1060,2011,2014,

2017,2024,3003,6262,7022,7050,7072,6061,6101,6063,6066,6082,7075,5050,5052,5056,