Black Basalt Tiles: 1. Basalt Quarry and Factory Owner 2. 16 Years Production ... , Slab, Wall Cladding, Countertop, Stairs, Moding, Mosaic, etc. * Sizes: 1.) Tiles---- 305X305mm,400X400mm, 457X457mm, 500X500mm,610X305mm, 300X600mm, 600X600mm, 800X800mm etc. 2 ... widely used in home, hotels, restaurants, shopping mall, airports station, subway, and any other places to be the floor tile, wall ...