... millstoneFounded in 2003, our company is a professional stone manufacturer and exporter,located in Qingdao which is ... used to grind grains by farmer) material granite,sandstone,limestone,marble,lava stoneSpecification Dia:20-180cm,Thickness:10-40cm ... trough,millstone,pavingstone,sculpture,flagstone, stone flowerpot,stone lion,stone statue, and other antique imitation stone carving. etcIf you have any ...