As one of the leading China cheap silestone quartz stone manufacturers and suppliers, Bitto Industry (Dongguan) Co.,Ltd is waiting for you to wholesale customized cheap silestone quartz stone from our factory.cheap silestone quartz stone1.Composition of Bitto cheap silestone quartz stoneBitto cheap silestone quartz stone is synthesized with high purity acid-washed 93% quartz stone, 7% polymer material and a small amount of inorganic pigment under vacuum condition and through heterogeneous material aggregation technology.Also known as engineered stone, it is a mix of quartz powder, resin, and pigment cast using the vacuum oscillation to form the block. Slabs are then produced by cutting, grinding, and polishing.