... heat treated, oxided, plated, blastedServiceMachining workMaterialsteel, stainless steel, Invar, carbon steel, free cutting steel, aluminum, brass, copper, alloy, REMKO BFinishPlating, ... work is offered by ISO certified manufacturer - visionseal co.,ltdQC:Strict quality control for machining work by SPC ... - INVAR, REMKO B, NORYL, POM, ACETAL stainless steel,aluminium,copper CNC machining parts