... Temper: T4,T5,T6 Size:The size are available in accordance with customer's drawing.Surface processing: Mill finish, ... Processing: Cutting, Drilling, Punching, CNC machining, bending, etcShape: Square, Round, Flat, Oval, and according to customer's drawing.Color: Silver ... , etc.ISO certification: ISO9001:2008laboratory we are specializing in exporting various types of aluminumpipes.We can assure you ...