With the improvement of people's living standard, people's demand for natural marble is also increasing, some traditional Chinese marble's color and pattern can't meet people's demand, people's eyes turned to the high-quality marble materials all over the world.Statistics show that in 2017, China imported 8.4 million tons of marble blocks all over the world, with a total value of about 1.7 billion US dollars.It is obvious that there is an increasing need for the natural  marble in people's life.