... Using the imported ball screw, high precision, can be used for a long time.2. High-power inverter spindle, CVT, ... Mainly used in hard materials such as stone, marble, granite, Chinese black stone, bluestone, jade stone, crystal, glass, organic glass, floor ... weight1500kg(NOTICE: Linyi Chaoda Data Control Science & Technology Development Co., Ltd. can design and manufacture all kinds of CNC engraving ...