Fused cast AZS products is applied to glass furnace or frit furnace. Using zircon sand as raw materials, after melting, cast in the mould, then cooling and curdle.The AZS's cast method is Normal Cavity(PT), Oriented Cavity(QX), Cavity Free(CF) and Reduced Cavity(RC). Different cast methods of AZS product are suitable for different glass kiln part's requirement.