... ,30mm,50mm,ect.3) Finish: polished, edge polished, honed, flamed, bush-hammered,axed,sandblasted, natural split,ect.4) Slab size available: a) 600up ... decided by customer's design.5) Usage: floor tiles, countertop slab, vanity top, tombstone, step, etc.Zhangpu Hongsheng Stone Co,.Ltd ... Middle East, Russia, Asia, etc. high quality Chinese black granite slab