... Aluminum Plumbing Materials:1.Competitive price to brass product,with outstanding appearance & industrial property.2.Various ... Casting Machines; Automatic Lathes;etc.CapabilityPrecision Machining With Outer Diameter From 4mm to 100mm And Inner ... Steel: 303, 304, 316, ……Other materialsSurface TreatmentHeat treatmentPlating With Chromate, Nickel, Zinc, Dichromate, etc.AnodizingChemical Film / ...