... 1.Chinese Black Slate for Roof Tile,Culture stone,wall cladding 2.Colour:Black,Rusty, ... 4.High quality 1.Chinese Slate for Roof tile,Culture stone,slate,wall cladding,roof2. First Choice quality, ... , roofing slate, crazy slate, crazy paving, veneer stone, slate stone veneer, slate corner, etc.Technical DataCompressive Strength : 1229 ... : Chinese Black Slate for Roof Tile,Culture stone,wall cladding,roof