... coating 3.Strong weldment Cable Tray, Made of Steel Frame, Suitable for Water FountainfeaturesMaterials: cold roll steel and galvanized sheetSurface: zinc plating or ... pretreatment,assembling,etc 7 thickness 0.5-15mm 8 material steel, stainless steel, aluminum, etc 9 item tool sheet metal .network ... as you like picture for your reference Cable Tray, Made of Steel Frame, Suitable for Water Fountain