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high refractoriness mullite sand

The high refractoriness mullite sand is a new design, through excellent processing technology and high-quality raw materials, the performance of high refractoriness mullite sand up to a higher standard. We are perfect for every detail of the high refractoriness mullite sand, guarantee the quality level, so as to bring you the perfect product experience. SEPPE is a professional China high refractoriness mullite sand manufacturer and supplier, if you are looking for the best high refractoriness mullite sand with low price, consult us now!