... 2.best quality 3.10 years warranty 1. Composition: Quartz sand,Quartz powder,mirror,glass,resin, pigment. and other material 2. Manufacture process ... temperature(4)Safety, no radiation(5) Free maintenance9. Usage: Quartz stone is widely used for kitchen tops,countertops, bathroom vanity ... tops,table tops,bars, floor tile & wall tiles 10. OEM service is welcome. Quartz slab