... used in automobile industrial, farm machine industrial, construction project, Oil industrial, machine componens.3). Materials: Stainless steel ... 301, 302, 303, 304, 304L, 316, 316L, iron, copper, aluminium, brass, C1045 etc.Surface TreatmentPolishing, Powder ... Machinesf) Argon Welding Machinesg) NC Bending Machineh) Thread Rolling Machinei) Drill Machinej) Tapping MachinePreferred FormatsJPEG, PDF,CAD ...