... Stainless steel, carbon steel, spring steel, aluminum and brass Process: Laser cutting, die stamping, CNC punching, , CNC shearing, Welding, Bending ... supplied drawings, designs, samples, or patterns, by CNC lathe, milling machine, auto lathe, drilling machines, and other equipment. ... to supplied drawings or samples, by CNC lathe, milling machine, auto lathe, drilling machines, etc metal spring clip