... Motor 4.DSP Control System 5.Competitive Price PCB engraving machine SY-4040 Parameters: NO.DescriptionParameter 1X ... Furniture: plate, office furniture, doors, cabinets.2. Wood products: speakers, games cabinets, computer tables, sewing machines, musical ... instruments.3. Board processing: plastic chemical components, PCB, ABS, PP, PE.4. Decoration: Acrylic, PVC, MDF ...