CORF supplies Spur, Bevel, Conical (Straight/Spiral), Rack gears.
Materials: C45, SS304/316, Q235/Q345, 40Cr, POM, PA6, Al, Brass, etc..
Heat treat: tooth hardening, carburizing, gas nitriding.
Surface: black oxide/phosphating, Ni/Cr plating, Cu passivation.