目前由于我国土地沙漠化和工业开发对土地的征用，人均耕地面积成逐年递减的趋势，为了有效地保护耕地和生态环境，国家决定自１９９８年７月１日起禁止取土生产建筑材料。 本公司代理的韩国（株）合力驷（ＨＡＲＥＸ）公司生产的砌块成型机以粉煤灰为主要原料，配以水泥等添加 At present, due to the expropriation of land by desertification and industrial development in our country, the per capita cultivated area has been decreasing year by year. In order to effectively protect the cultivated land and the ecological environment, the state decided to prohibit the production of building materials from July 1, 1998. The company’s agent in South Korea (strain) HAREX company’s block molding machine to fly ash as the main raw material, together with the addition of cement, etc.