我厂的粘土平瓦为挤出成型、自然干燥、20门轮窑焙烧的一组生产线。1981年,粘土平瓦被评为北京市优质产品、建材部优质产品,并且被北京市命名为全优产品。在全国砖瓦质量评比中,我厂的粘土瓦被评为全国第三名。在抓粘土瓦质量的过程中,我们有如下几点做法。 The clay tile in our factory is a set of production lines for extrusion molding, natural drying, and 20 wheel kiln roasting. In 1981, clay flat tiles were rated as high-quality products of the Beijing Municipal Quality Products and Building Materials Department, and were named as excellent products by Beijing. In the national quality evaluation of bricks and tiles, our factory’s clay tiles were ranked third in the country. In the process of grasping the quality of clay tiles, we have the following points.