... Heads High Efficiency ADS CNC engraving machine JCG1212-2(Four heads) Performance Features 1.German-imported high precision and ... rail, minimize the gap caused by moving. 2.Import four-row steel balls linear guide rail, self-lubricating block, ... Wood, Plastic, Aluminium, Di-Bond, Engraving Board, Fomex.Engineering plastics, marble, acrylic, perspex, PVC, Composite panel, Copper, Alloys, MDF, etc. ...