With rising living standards, housing, purchasing power is growing. People in the purchase and renovation of housing, the pursuit of high-grade decorative material has become a new fashion.In many materials, the use of stone is more common.Natural stone color, rich texture, with hard, thick surface, strong corrosion resistance, wind, rain, etc., in terms of durability that has an absolute advantage. In order to give its enduring quality, the developer in the timber, select appearance, thick long-lasting stone, not only from the sales role in promoting consideration, it is ideal for its own business. However, there are stone factory on the market vary greatly, so have some knowledge to buy the stone is very necessary.