sia Abrasives develops, manufactures and sells complete sanding systems tailored to specific requirements and applications of all kinds, transforming sanding into surface technology. sia USA is based in Lincolnton, NC, and serves the entire U.S. market from our conversion and distribution facility. Strategically located near the Port of Charleston, SC, sia USA converts the finest quality coated abrasives in the world from jumbo rolls produced in our world-class facility in Frauenfeld, Switzerland. We are dedicated to the perfect surface – regardless of the materials, whatever the demands. We have the right product, tailored to every job. We place a great deal of emphasis on adding value. sia Abrasives is dedicated to helping you solve production problems and improve productivity by recommending the right product for the right application. Our many years of experience ensure that you will find optimal solutions for all your abrasive needs.