1)rusty slate tile 2)National standard. 3)Quality guaranteed. 4)Competitive price. 5)Packing nicely and neatly rusty slate tile,flooring slate,wall slate,1)european standard B.S.EN12326 2)no fading over 50 years 3)water absorption 0.2% 4)high quality control.5)color rusty,black,green,yellowslate, is natural material,color is stable,10,000m2 can keep same color,it can make tile,mushroom,culture ...