... engraving and cutting by using automatic water cooling system... CNC Router for Marble,Granite,Stone Characteristics: 1.Imported linear square rails, ... tool cooling system, effectively raising tool life Appliable:Granite, marble, Qingshi, sandstone, and other stone carvings Granite and other ... you and wishing you have a prosperous business! CNC Router for Marble,Granite,Stone(with CE Certificate)