Industrial Ceramic, Kiln Furniture, Thermal Insulation Material manufacturer / supplier in China, offering High Temperature 1800° C Refractory Raw Material Andalusite for Metallurgical Industry, Thermal Shock Resistant Andalusite Aggregate for Steelmaking Refractories, Low Thermal Conductivity Grain 0-1/1-3/3-5mm Natural Andalusite Powder for Foundry and so on.