OBT is a professional manufacturer, supplier of mullite powder price, we provide mullite powder price OEM & ODM, mullite powder price price and more questions, please contact us and follow our Facebook , We will respond in a timely manner, we are not the lowest price of mullite powder price, but we will provide you with better service.
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OBT Mining as the China No.1 biggest manufacturer for mullite sand which has been supplying to Germany Thyssenkrupp,totally capacity 200000tons and OBT casting subsidiary factory specializing in R&D and manufacturing of precision casting equipment, precision metal products processing and precision casting process. Comprehensive company for technical research and supply for the invesment casting sand and machines. ...