... ,20mm, 30mm, 40mm, 50mm,etc; 4) Quality: All tiles are calibrated under strict quality control systems. 5) Finishes: Polished ... stone line !! 1 Location Shandong province, China2 Main products granite, marble, sandstone,artificial stone; countertop, table top,vanity basin,/sinks, ... kinds of slabs,sculptures and irregular stone,such as granite,marble,sandstone and so on,more than 130 produts. 6Promise ...