... : 10-12 pieces per bundle for 20mm slab, 7-9 pieces per bundle for 30mm slab, 7 ... : 25-30 pieces per bundle for 20mm slab, 15-20 pieces per bundle for 30mm slab, 7- ... 3.factory,ISO 9001:2 Name of commodity crystal white marble,marble,marble tiles,polished slab,marble ... , Beige Travertine, Nero Marquina, China Coffee, White Jade, Crystal White, Wooden Grain Yellow, Fossil Grey, Honey OnyxQuality control ...