A serial quality Al_2O_3-SiO_2 system refractory brick have been developed using the banxite and fireclay as starting materials.which have been exported and won good reputation in the world market.

• 利用我国蕴藏量丰富的高铝矾土、耐火粘土等原料．通过质量攻关，研制开发了优质硅酸铝质耐火砖，以其高质量获得外商好评。