一、国外花岗石石材产销需求及预测 建筑业已成为当今世界经济支柱之一,作为建筑石材的花岗石、大理石工业发展很快,产量和贸易量逐年增加,世界市场容量很大。据九个主要生产国1984年资料统计,年开采量在1.11×10~5m~3以上(具体数字见表6-1)。目前世界花岗石材总量为8.3×10~6Mg。世界 First, the foreign granite stone production and sales demand and forecast The construction industry has become one of the pillars of today’s world economy. As the building stone, the granite and marble industries have developed rapidly. The output and trade volume have increased year by year, and the world market has a large capacity. According to the statistical data of nine major producing countries in 1984, the annual production is 1.11×10~5m~3 (see Table 6-1 for specific figures). At present, the total amount of granite in the world is 8.3×10~6Mg. world