For refractory grade cenospheres powder, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our refractory grade cenospheres powder has been well received by many customers and enjoyed a good reputation in many countries. SEPPErefractory grade cenospheres powder have characteristic design & practical performance & competitive price, for more information on the refractory grade cenospheres powder, please feel free to contact us.