... is dustproof. Two-heads stone cnc router zk-1215-2 Structure Description: 1. Bed using thick-walled steel seamless welded ... <0.04/300mmTransmission modeCompasses screwG code formatG code ,HPGL Applications: 1. Stones: such as granite, marble, bluestone, sandstone, artificial ... , copper, aluminum, titanium, etc. Guarantee & after sale service: 1. one year warranty; 2. 24 hours technical support by e ...