... . 1.have 6 years experience in metal stamping bending welding parts. 2. ISO9001:2008 certification. 3.Materials: carbon steel ... machine, punching machine,oil Hydraulic pressing machine , CNC welding machine,CNC machining center, CNC Laser cutting machine,CNC ... shearingManufacture processingstamping ,deep drawing,spot or seam welding,,metal assembly,CNC Laser cutting,punching, folding and bending ...