... 2.Material aluminum 3, die casting process. High pressure die casting 1,Aluminum die casting 2. ... Surface treatment according to customers.,We are a factory which is professional on die casting, ... treatmentHardenedHardnessHRC50~55 Mould featureAdvanced design, Novel structure, High precision, Quality materials, Long lifetime, Short ... certification SGS. ISO9001-2008 high pressure aluminum alloy die casting