http://www.cryotron.comCryogenic processing of equipment. Has a nicely detailed overview of the company's Vari-Cold cryogenic process and equipment. In Spruce Grove, Alberta, Canada.
Cryogenic treatment of all metal tooling, stamping dies, gun barrels, engine components, brass instruments. To make them more wear resistant. In Wooster, Ohio.
Temper-Master cryogenic processor manufacturing and tempering. Improves durability and performance of tools, musical instruments, and gun barrels. In Springfield, MO.