Quality Carbide Metals, Incorporated is a privately-owned tungsten carbide manufacturer located in Spartanburg, South Carolina- U.S.A. Quality Carbide Metals, Inc. (QCMI) manufactures consistently high-quality tungsten carbide products made from wax-less grade powders that are formulated on site. All products are engineered to give repeatable high-wear results at any size and at any quantity.Shop All Quality Carbide Metals ProductsVisit Quality Carbide Metals Website