roof slate tile / black roof slate tiles 1.natural and eco-friendly 2.competitive price 2 ... M2 The most advantageous products we can supply is Flooring tiles ,Roofing tiles ,Ledge Wall stone .Since our factories and workshops are ... and attractive prices. MaterialslateColorblack, green , blue-black , rusty-yellow,etcProcess Machine edge cut, Grind polish, Honed, Calibrated, Bullnose, Slabs & Random ...