1),basalt stone 2),good quality and competitive price 3),sincere ... 800mm, etc.---slabs: 800*2200mmup, etc.--other: customized size.--thickness: 2cm, 3cm, 4cm or other thickness your requirement.Surface finished: polished, ... , restaurants, shopping mall, airports station, subway, and any other places to be the floor tile, wall cladding, stairs, treads ... film to prevent dust and rain. black basalt stone