... casting parts, mainly of aluminum, zinc & magnesium;3. Plastic injection molds and plastic injections.street light die cast mouldEstablished in 2004, Shenghong is an ... .Zn Alloys: Zamak 2, 3, 5, 7, ZA 8, ZA 12, etc.DimensionAccording to drawings or samplesSurface treatmentPolishing, Sandblasting, Painting, Powder ...