... , 2.Surface treatment: polish, plating, 3.OEM stainless steel casting pipe1.Aluminum, zinc, steel, brass, 2.Surface treatment: polish, plating, 3.custom 1 ... .Materialstainless steel,Aluminum alloy,etc 2.Process Aluminum casting, sand casting, die ... your inquiry and we will answer you within 24 hours stainless steel casting pipe