... , Travertine , slate , pebble , tombstone .Main products : china sandstones ; double color , yellow , yellow vein , red , red vein , green , white ... grey , rainbow , etc . (2) products type :slab , tile , outer wall tile , mushroom rock , Kerb stone , paving stone , dimension stone ... marble slate ,limestone etc .Surface finishes: sand blast, polished, nature split, mushroom and honed . etcThickness: 2 ...