... and also a 2 cm organic ease.6, the machine is suitable for building models, stone processing enterprises and ... institutions use.7.use the ball screwJinan Gongming Machine Equipment CO., LTD is a high-tech enterprise which ... , developing, producing the CNC equipments _ advertisement engraver, woodworking engraver, woodworking CNC engraver, laser engraver and so on. 3d stone engraving machine