... Stainless steel water slot cooling system, cooling for the tools and materials, necessary for the metal/stone/glass processing.4 ... 5kw water cooling spindle, more powerful, not easy to break tools.7. Breakpoints, power off memory way, ensuring the memory ... -layered 3D processing, fast speed, smooth three-dimensional processing, engraving and cutting. 9.Emergency stop button, ensuring the operation safe ...