... 1 or 2 cavity 3.SGS ISO9001:2008. Aluminum radiator core, hot water radiators.We are a real factory ... ,AlSi12,A356,ZL102,YL104,YL112,YL113,and other aluminum alloy are all acceptable.DimensionAs drawings or samplesSurface treatmentSandblasting ... DIEVAR, QDN, 8407, 2344V, TQ1, 2343, SKD61,45#steel,etc.Heat treatmentHardened,NitridingHardnessHRC50~55Mould featureAdvanced design, Novel structure, High ...