CoorsTek offers the broadest range of engineered material capabilities, supported by world class manufacturing capacity and technology for hard/wear resistant surfaces, anti-corrosion barriers and precision machined components. CoorsTek is the largest North American producer of aluminum oxide, silicon carbide and partially stabilized zirconia.\r\n\r\nWe are ISO 9000 certified, founded in 1910, with 25 facilities worldwide. CoorsTek is recognized throughout the industry as the world leader in quality, workmanship, service and delivery. We manufacture and specialize in OEM plungers and valves, faces for mechanical seals, pulsation equipment, and replacement centrifugal pump parts.