... 5.OEM 1. FASA Stone(quartz slab) is synthesized with high purity acid-washed quartz stone(93%),high polymer ... ensures its hard and compact structure with excellent even smooth & bright surface.5. The nonporous surface ensures its incomparable characteristic of high ... stone) is widely used for kitchen countertop, quartz tiles,quartz surface,man-made stone,floor, wall, bathroom, windows, bars, furniture ...