Our company was established in 1992, formerly named jinan Yongquan granite factory, because business grows need, in 2009 November renamed jinan Aotai building materials factory, has staff more than 100.We are a stone manufactory with more than 17 years experience and owned 3 factories and quarry of Black Assluto, White Marble and Black Jinan with turnover of about USD15,000,000 yearly. We export our products to all over the world, including Eruopean, the USA, and Japanese. They are being used for special constructing project and normal fitment such as facase, floor-tiles, paving for square,...