... price Quality system certificate:ISO9001:2008 Type: Mould Products Stamping die mould Dongguan Richhong metal Co. Ltd has long history in ... formatting, rolling, stamping, deep drawing, bending, spot or seam welding, spinning, forging, sand casting, die casting, investment casting, etc.Surface treatmentPolishing, zinc ... center; Wire EDM, etc. And we also can offer 4 or 5 axis-CNC center processes.