... guaranteed, delivery time is short and service is good1. Material: Aluminum Alloy 6063,6061,etc.2. Temper available: T5, T6, etc ... colour are available. 4) Extrusions for rails, building frames, parts in large air-conditioner, track etc. 5) Customers' own design are most ... , Mitering, Chamfering, CNC Milling, Bending, Deburring, Welding, Assembly. 6063 LED aluminum LED heatsink