Sunnen and ANS Collaborate on Friction and Wear Reduction Technology July 29, 2019 Sunnen Products Co. and Sweden’s Applied Nano Surfaces (ANS) have entered into a joint market development agreement to advance technology and applications based on the unique Triboconditioning process recently patented by ANS. The process reduces friction and wear on various steel and cast iron surfaces while improving surface finish, preventing seizures, and enhancing product life.