... Automatic Round GluIing Robot single glue syringe /speaker, receiver, amplifier, buzzer Item: Automatic 3D Glue Robot( Single glue syringe)Item No ... spreading and welding of electro-acoustic device, small and medium electronic components.After Structure optimization design, JH802 is the most compact ... / Heterotype/ glue spray machine suitable for producing speaker, receiver, amplifier, buzzer