... motor 3.2.2KW water cooling spindle 4.CE certificate PCB milling machine Main application profession: The engraving machines are ... professionally used to engrave iron,steel,aluminum and bronze board and so on hard material.The machine can engrave ... , mould etc. applicable material including on arylic, double-color board, PVC, ABS board, stone, imitation stone, metal, Aluminum Mold etc. l ...