In the study,refractory waste is used to prepare a kind of high performance and medium alumina ceramic balls by plastic shaping and low-temperature-fast-sintering process in CaO-MgO-SiO2-Al2O3 system, containing alumina less than 60%, mainly composing of mullite and corundum crystal.

China- Aluminium high building is a group of modern office building.

Managing China Aluminum Corporation well to make for a powerful enterprise to push along national aluminum industry;