... Design,Quick Sample Specification:Aluminum LED Square Tube/Pipes/Bar 1) Material--Aluminum Alloy:1060, 1070,2011 ... ), Shearing(pressing/punching), Insulation (thermal break), Platic forming(bending/stretching), Hydroforming4) Mechanical Surface Treatment: Grinding, Anodizing, Painting ... Plate, Aluminum Radiator/Heat sink, Aluminum Tubes/Pipes/Bars, Aluminum Sheets, Aluminum Edging/Strips/Casting and ...