book binding machine HQ520 Features:. 1) High efficiency 2) automatically counts 3) max paper width:520mm Specifications:rides a hours binds the association generatrix to be suitable to binding each kinds of print and so on books and periodicals,magazine,small capital,advertisement,instruction booklet,uses 24 to bind the nose,no matter Shan Lianben or a pare of association this,after artifically ...