Aluminum tubing Standard Met: GB/T 1804:2000 eqv. ISO 2768-1: ... to home appliances.*Alloys: 6061, 6063 and customers designated alloy.*Heat Treatment: T5, T6*Extruded profile: solid, hollow, semi-hollow or ... , colorful anodizing, bright dipping, paining, powder coating, etc.*Major products: Tubing, heat sink, decorative profile, display stand, construction profile and so on ...