... High speed engraving 2.steady laser power 3.CE&FDA large format laser machine etching for headstone1. Features of JQ1325 laser machine ... for thick materials, especially for marble, granite. etc. b. Large space on the back of the machine.c .It is ... 1.0*1.0mmOperating SystemPCI OR USB (DSP 6535)Graphic Format SupportedBMP, PLT, AI, DST, DXFSoftware SupportedCoreldraw, Photoshop, AutoCAD, TajimaMachine ...