It's formed by super large-tonnage press, and fired by 1260 high temperature,the polishing offers above 80-degree product gloss, which is 5-10degrees superior to equivalent products; the original design coming from natural stones allows. Lofty Stone to build the space using its natural veins in a healthy way; the product is in line with Grade A of GB6566-2001. Limit of Radoactine Nuclide of Building Materials, and its production, sale and range of application are under no restriction.