... machining level. 1).Material spec., 6061 T6 or Other Metal material, aluminium,Copper,Alloy steel etc.2).Processing means ... , Precision CNC machining,die casting,Metal stamping,turning etc. 3).surface treatment, Trivalent Chromate, ... , communication part, electric appliance,automobile industry and computer components 4)Product description, Reflector,casted,alum,RoHS Thank you ...