... ,red ,purple 3)have our own quarry Green color super quality roofing slate Material:100% natural marble, granite, sandstone ... Laminated Countertop, Ogee Edge, Dupont, Edge, Beveled processed and polished or others.Finished ProductsSlabs, Tiles, Skirtings, Window sills ... , etcDecorative effecthigh and elegant ,so it is a ideal kind of modern decorative stone.Quality ControlThickness tolerance for ...