... : 6000 series, 6063/6061 recommended.2. Temper: T4/T5/T6.3. Finish: Mill, Silver / Black / Red Anodized, Powder Coated, ... Different finish, different length, the longest length is 7m for mill finish, and also based on the weight per ... time:New Model: 7 work days;The first sample: 3-5 work days;Mass production: based on the quantity, ... your design would be keep confidential. aluminium profile for roll up