How to buy laser knife mold machine

There are two kinds of laser knife mold machine, 1 is a single head of the laser cutting machine purchase skills to see whether the power is large enough, high precision, speed, 2 is a double head up and down on the cutting knife mold laser cutting machine, in addition to the above notes, but also pay attention to the top and bottom is consistent. More questions to consult the sharp star laser knife die cutting machine on, search sharp star laser to contact