Material, Slate Colour, Hai Yang Green Size, 2-3cm,3-5cm, 5-8cm,and customed size. Use, Garden, Home, and other Decoration cobblestone 1. We have own quarries of Slate and Granite.2. We have several factories, including a factory of slate, two factories of stone carving. The factory of Slate is located in Yixiang county, north of China. As to Stone Carvings, one is located in Fangshan district of ...