If a thousand front Zhao Zhou bridges many years , Luoyang bridges , Quan Zhou City things the tower waits for the stone material selecting and using to be rice huller stone without exception.

• 石料厂建立以来，尤其近十多年来，606%23（正矿）砻石大矿区得到更科学、大规模的开采，砻石也更加广泛被用于全国各地重大工程建设。