Small grain quartz stone Color: pure white, red, black, grey etc Size: big slab/ tile Quartz stone is widely used for floors, walls, kitchen countertops, bathroom vanity top etc. Our factory is a professional quartz stone manufacturer in guangzhou city. We have 5 quartz stone slab pressing machine lines. It is characterized by high density, no air hole, high hardness, anti-hit, no distortion, no ...