Chongqing green all Shi Caihang is located township of-Chongqing longevity area the Chinese blue stone but to cross the town. My mining area is containing the rich blue sandstone resources. This factory production blue sandstone plate, the color pure, the density high, lithical hard also the stripe is clear, is the environment project, the botanical garden construction and the carving timber wood ideal choice. Specially my factory production rubs the mushroom stone to work fine, the timber wood is elegant, is high keeps off the housingand the villa timber wood ideal material.