Recently we has discovered the China blue stone in Shandong.

China blue stone whose surface is black bottom with blue spot, the blue color spot calls the blue crystal spot which belongs the high-quality fire-proof material. It will emit blue-white gloss. There is some small blue color crystal spot scattering on the black shading, just likes the nighttime sky in summer does not have the month but glitter the blue color star. The main key is noble, elegant, dignified, solemn and respectful.