Wireless Glue Book Binding Machineit is manually-operated, electric-driven ... for book spine, and the firmness of bi XH-GB320 Wireless Glue Book Binding Machine.it is manually-operated, electric-driven ... and it doesn't block the paper, besides, there is better side-glue to enhance the binding quality upto that of ... ) power supply, max: 500WNet weight: 35 kg.. XH-GB320 Wireless Glue Book Binding Machine