Established in 1981, Ratio Machining was started with a simple philosophy; create the best in class Mandrel for the Cold Pilgering Industry. This philosophy, combined with skill and desire, facilitated Ratio's expansion beyond just mandrels. With over 20 years of machining experience the new ownership has positioned Ratio with the ability to maintain best in class Mandrels but also best in class one offs to short run prototyping and production runs for nearly every industry.From full 3 axis CNC milling to CNC turning with live tooling our machining and manufacturing capabilities have reached nearly every industry, from automotive to agriculture. Our goal is simple, deliver only the best possible product to our customer.