... Wall thickness: 0.15-2.5mm stainless steel drawing parts rotor tube 1.Mainly Material: Stainless steel, aluminum , red copper ... : Stamping, deep drawing, spot or seam welding, wire drawing and metal assembly 3.Surface: Polishing, spray paint , coating or ... gun & components , canned motor pump accessory (rotor and stator can ) ,motor enclosure , tensioner pulley and so on .They are totally according to ...