... machine can be used to engrave marble, granite, stone,glass etc. hard materials,1, The table ... countertops 2, Leading Rack Drive, fast, high efficiency, air-speed can reach 15 m / min or more, ... wood carving,gifts wooden box,redwood jewelry boxes,ink-stone cutting, decorative products sculpture,fine jewelry carving.2 ... use”,new machine parts will be sent by air In free.3.Please rest assured that operation ...