desktop hot glue book binder machine ,glue binding machine ,hot glue book binder . desktop hot glue book binder machine ,glue binding machine ,hot glue book binder .1.Max.Binding lengh:330mm2.Max.Binding Thickness:40/50mm3.Binding Efficiency ... for the short-run print on demand market, office perfect binding solution desktop hot glue book binder machine MY-J400500