air conditioner spare part 2.One year quality guarantee 3.Material : ... ,Hot galvanizedMain Processing EquipmentGrinding machine,Lathe, ,EDM center,Milling machine,horizontal boring machine, Drill Press,surface grinding,CNC lathe and so onPracticable ... Item NO. mechanical part processingMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, solder alloy, HSS, tool steels, or ...