概述石材是一古老而又重放异彩的建筑材料。随着开采和加工(研磨)技术的发展,料石和饰面板材已成为当今世界建筑业中重要的原材料之一。目前,世界石材生产国约64个,主要有意大利、西班牙、巴西、美国、西德、日本、苏联、印度等27个国家。近数十年来竞相发展,世界石材总产量现已达2300万吨,板材量为 Overview Stone is an ancient and renewed building material. With the development of mining and processing (grinding) technology, feedstone and veneer sheets have become one of the important raw materials in the construction industry in the world today. At present, there are about 64 stone producing countries in the world, including Italy, Spain, Brazil, the United States, West Germany, Japan, the Soviet Union and India. In recent decades, the company has been competing for development. The total stone production in the world has reached 23 million tons, and the amount of sheet metal is