牋牋History:牋牋Refractron Technologies Corporation, a privately held company, was founded in 1984 with the acquisition of the plant, equipment and technology at the present location. The business was originally based on the porous ceramic technology purchased from The Carborundum Co. and the active filter drier technology of Tetron Inc. In 2002 Refractron acquired Xylon Ceramic Materials of Alfred, NY, relocating manufacturing to the main plant in Newark for the full range of structural zir...
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