Chinese black slate roof tile 1)material:slate 2)color:black 3)top quality and competition price 4)own factory Chinese black slate roof tile 1) Product infor 1ItemFlooring slate (Natural, honed, polished)2Materialslate,granite,marble,quartzite,sandstone,limestone,andesite,lava,ect.3Colorrusty,yellow,brown,red,black,white,pink,multicolor,ect.4Size900*600mm, 600*600mm, 600*300mm, 400*400mm, 300* ...