... mainly 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 ... 3000x1400mm, 3000x1200mm, 3200x1600mm. Thickness: 12mm, 15mm, 18m, 20mm, 30mm Artificial Quartz Stone