贵州第七砂轮厂专为宝钢研制的高温耐火材料“电熔氧化铝”已取得成功,已于1985年10月30日通过省厅级鉴定。参加鉴定会的有冶金部建筑研究总院、上海耐火材料厂、上海耐火材料二厂、西安电炉研究所、中国磨料磨具公司、贵州省经委、贵州省机械电子工业厅等15个单位35名代表。 Seventh Wheel Factory in Guizhou developed for Baosteel high-temperature refractory “fused alumina” has been successful, in October 30, 1985 through the provincial and ministerial level appraisal. Participate in the appraisal will have metallurgical building Research Institute, Shanghai Refractories Factory, Shanghai Refractories Factory, Xi’an Electric Furnace Institute, China Abrasives Company, Guizhou Provincial Economic Commission, Guizhou Province, Machinery and Electronics Industry Hall, 15 units 35 representative.