RQI, Inc is located in Hickory, PA, south-west of Pittsburgh, Pennsylvania. We are a firm that specializes in custom design and manufacture of high quality rotors for impact crushers. Our products meet or exceed OEM specifications. We have well over 45 years of impactor design, manufacture and application experience. We have hands-on experience with more than 1000 impactors. We also hold several U.S. and foreign patents for impact crushers and crusher components.