aluminum extrusion profile 1.Alloy no.:6063,6061,6105,6082 2.Cert.: ... :2000,SGS 3.can be customized 4.various finish aluminum extrusion profile 1.Model No.:XX-1032.Alloy No.:6063,6061 ... special heat sink profile of CPU heat sink, industrial aluminum extrusion, al doors and windows, aluminum ladder material etc.Our factory ...