MMi Sonora's precision milling provides our customers with the best-in-class quality for tight tolerance, custom machined parts. MMi utilizes lean principles to direct operations in an ISO certified facility that is equipped with the latest machining centers. MMi designs, engineers, and manufactures its own fixtures and tooling in house. Through this, we achieve exceptional quality and repeatability for our customers. We work with both common and exotic metals and plastics too numerous to list.