... book spine, and the firmness of bi XH-GB320 Wireless Glue Book Binding Machine.it is manually-operated, electric-driven milling cutter for ... Qingzang altiplano, the -40 degree in Russia, and hot weather of India. The machine can work stably for a long time under ... ) power supply, max: 500WNet weight: 35 kg.. XH-GB320 Wireless Glue Book Binding Machine