malmstone 1.one kind of artificial stone. 2.material: cement and quartz sand 3.environment-friendly product artificial sandstone blocks 1.size: 300*300*15mm2.lighter and less expensive than natural stone3.beautiful appearance.4.no radioelement and no pollution.5.to be for exterior and interior wall6.to be easy to installTechnical parameter: water absorption5% bending strength6Mpacompresstion ...