据国家有关部门传出的信息,今后几年我国将优先发展国内急需、国际市场畅销、创汇率高的五类建材产品,它们是:a.饰面石材:重点发展红、黑、白、绿色的花岗石,并开发单色及素雅花纹的大理石,逐步转向出口大规模的板材和荒料; According to information from the relevant state departments, in the next few years, China will give priority to the development of five types of construction materials that are urgently needed domestically, best-selling in the international market, and high exchange rate. They are: a. Facing stones: focus on the development of red, black, white, and green The granite, and the development of a single color and elegant pattern of marble, and gradually turned to the export of large-scale plates and blocks;