... NC-studio system Water-cooling spindle Portable CNC Router for Metal Engraving Feature: 1.whole cast steel machine body,Servo motor,powerfully milling ... /380VAC220V/380VAC220V/380VApplicational MaterialPlexiglass, Aluminium-plastic composite panel, Aluminium,Copper, Steel, Iron, Plastic, Marble, Wood ,PVC, Acrylic, ABS board, KT plate ...