... coating, Silkscreen, Heat treatment, Black oxid.EngineerExperienced technicians and professional engineersProcessProgression die, Deep drawing, Grinding, Stretch, ... Punch, Bending, Surface treatment and Assembly, QC and packingDesignMould design according to your drawingAdvantageStrict quality ... making machines 3.Stamping machines 4. Electric welder and cleaning room 5.QC: the products will ...