Ltd. "SPC" Spring "- a project company of the State Corporation" Rosnanotechnologies "Our scope of activity -. The production of heavy-duty nanostructured springs with enhanced strength, durability and geometric accuracy.The company possesses a new unique patented know-how of springs making. This know-how is used nowhere else in the world. RUSNANO State Corporation has made the scientific and technical appraisal in the course of project realization. Subsequently positive expert confirmation has been made. According to the experts, the proposed technology is a new scientific achievement.