... quartz stone, including quartz stone countertop, slab, engineered quartz and so on. Quartz stone is hard and durable, which have excellent heat, corrosion, acid and stain resistance. Quartz stone ... friendly building material for walls, floors and countertops. Slab size is 3000x1400mm, 3000x1200mm, 3200x1600mm. Thickness: 12mm, 15mm, 18m, 20mm, 30mm Artificial Quartz Stone