Valentino Quartz Surface, which is produced in Thailand originally. Most of our quartz surface are selling to North Ameriaca market. Quartz Surface, often referred to as engineered stone, is a premier surfacing material composed of approximately 90-95% natural crushed quartz crystals bound together with high-performance polymer resins and pigments. This sophisticated manufacturing process creates a non-porous, exceptionally durable slab, making it an ideal choice for a vast range of residential and commercial applications. Such as Kitchen Countertops, Bathroom Vanities & Shower Walls, Flooring & Wall Cladding, Commercial & Hospitality Spaces and Other Interior Uses.