Not long ago, using the natural stone as architectural decoration materials or very extravagant, however, because natural stone mining and processing technology development, the natural stone material has been popularized in large scope. The same to the clothing industry, stone industry will have fashion trend. Not long ago, red and yellow stone is in great demand, but soon, black stone becomes the trend chased by people. Black stone, give a person the feeling of decorous, high-grade impression, espically through processed natural stone shows people a feeling of decency.