... .SGS ISO9001:2008. 4.Hot water radiator Die casting aluminum radiator cover for hot water type room radiator.We are a real ... castingMaterialADC12,A380,AlSi12,A356,ZL102,YL104,YL112,YL113,and other aluminum alloy are all acceptable.DimensionAs drawings or samplesSurface treatmentSandblasting, Painting ...