... &engraving cnc router 1 Seamless weld steel structure 2 Hiwin square guide 3 Well compatibility 1224 stone cutting machinery/marble cnc cutting ... orbit, two line sliding track, heavy loading, stable working, high precision, longlife time2. Whole seamless weld steel structure, not easy ... the table back lining is armor plate, good rigidity, the machine can bear 1 MT at least.3. Constant power spindle ...