... etc.Heat treatmentHardened, NitridingHardnessHRC50~55Mould featuresAdvanced design, Logical structure, High precision, Qualified materials, Long lifetime, Short delivery time. ... ZL107.ProcessCasting, Deburring, Machining, Surface Treatment, Packing.Surface treatmentHigh quality polishing, Chrome/nickek/Zinc(white, blue, yellow, black)plating, ... company! Aluminium Die Casting Part of Auto DVD Player