由甘肃省建材科研所与甘肃张掖平原堡砖瓦厂共同研制的普通制砖粘土彩釉饰面砖最近获得成功,已于4月11日在兰州通过省级技术鉴定。这种普通制砖粘土彩釉砖是采用百分之百 The common brick-clay glazed decorative tile jointly developed by Gansu Province Research Institute of Building Materials and Gansu Zhangye Plain Fort Brick and Tile Factory has recently been successfully passed and passed provincial technical appraisal in Lanzhou on April 11th. This kind of ordinary brick clay color glaze brick is 100%