1.PCB engraving machine 2.CE certification 3.Stepper Motor 4.DSP Control System 5.Competitive Price PCB engraving machine SY-4040 ... a long0-time work at high speed Automatic Lubrication.Machine PartsApplications:1. Furniture: plate, office furniture, doors, ... , computer tables, sewing machines, musical instruments.3. Board processing: plastic chemical components, PCB, ABS, PP, PE.4. Decoration: ...