建材工业是国民经济的一个重要产业,它包括三大门类,即建筑材料及其制品,非金属矿及其深加工产品,元机非金属新材料。建筑材料既是生产资料,又是生活资料。随着我国经济的快速增长和大规模建设的展开,对建筑材料的需求量越来越大,质量要求越来越高。特别是人民 The building materials industry is an important industry of the national economy. It includes three types of doors: building materials and their products, non-metallic minerals and their deep-processed products, and non-metallic new materials. Building materials are both production and living materials. With the rapid growth of China’s economy and the commencement of large-scale construction, the demand for building materials is increasing and the quality requirements are getting higher and higher. Especially people