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Sic Pvt/Optical Fiber Furnace, 50mm High Purity Rigid Graphite Board, Find Details and Price about High Purity Grpahite Felt Board Rigid Graphite Board from Sic Pvt/Optical Fiber Furnace, 50mm High Purity Rigid Graphite Board - SICHUAN CHEMSHINE CARBON FIBER MATERIALS CO.,LTD