Grotnes is a forward-thinking company that creates automated cells and customized, integrated metal forming equipment for the oil and gas, automobile, appliance/tank, forging, rigid packaging, aerospace, and power distribution sectors. Expanding, shrinking, rotary roll forming, and metal spinning are some of the basic technologies that Grotnes has been developing and pioneering since 1898 for the plastic deformation of circular and tubular parts. Grotnes Uncommon Approach provides affordable alternatives to other technologies like machining, welding, stamping, hydroforming, etc. for hard-to-form items and materials.