1. Material:Aluminium 6063/6061 2 .Manufacturer: good source 3. The color, surface can be customized ... Aluminium extrusion:1. Alloy: 6063 T5/6061-T6 are available.2. Finishing process : cutting,lathing,milling,drilling,tapping,punching, CNC machining ... .Precious machining and cutting: length tolerance can be 0.2-0.5 mm,hole tolerance can be 0.05mm. B.All processes ...