... 3.China Black,Mongolian Black,Shanxi Black etc 1.Granite Slab InformationWe supply kinds of our China Black granite and marble ... Vanity Tops,fireplace and Monuments.♥. Size:Gangsaw slab: 2400up X 1200up, 2800up X 1600upHalf slab: 600up X Free length, 700up X Free ... foamed plastic to prevent dust and rainGangsaw slab: 15-20 pieces per bundle for 20mm slab, 10-15 pieces per bundle for ...