... 4> Rich experience&give good service punching,punching part,precision punching OEM/ODM stamped parts, punching parts with laser cutting, die stamping ... , CNC punching, , CNC shearing, Welding, Bending & metal fabrications, etc Materials ... spring steel, aluminum Process: Laser cutting, die stamping, CNC punching, , CNC shearing, Welding, Bending etc. Applied software for ...