kingsquartz.com is the famous brand of Quartz Stone in China, and belong to Xiamen Tostone. Kings Quartz Stone is specialized in quartz stone research, technology development and production. Our main products is Quartz Stone Slab, Engineered Stone, Artificial Stone, Quartz Stone countertops, Quartz Stone bathroom Vanity top, Quartz bath tub and sinks, window sill, Quartz Tiles etc.