aluminum LED PCB:1oz copper weight,1.6mm thickness,OSP,high quality, competitive price,best ... , OSP(Entek) Base Material:Polyimide(Kapton), Polyester(PET), Aluminium, FR4Copper Foil:ED/RAMin. Line Width:4milMin. Line Spacing:4 milMin. Hole ... ; 5)ODM/OEM both allowed6)Trade terms:EXW OSP 1oz copper weight Aluminum base LED PCB