... High Quality! Factory Price! Stone/glass/Marble CNC Engraving Machine with Auto Tool Changer Application Materials :Artificial stone, Marble ... Slate, grindstone ,Jade, crystal, plexiglass, aluminum composite panel, aluminum block, copper, wood, MDF, hardwood, plywood and so on. Application ... industries and so on. Technical Features : 1.The machine adopted ATC 5.5kw water cooling spindle for quickly ...