Semi Concealed Wire-Printing:

Wire-O/spiral bound way normally work for Calendars, manual, notebook, presentations, workbook etc. Wire-O is made of metal, and Spiral is made of plastic. They can lay flat or wrap back around themselves. There's another kind of hidden wire-O or spiral bound book printing, the cover is mount on the surface of the inside pages. No matter what kind of complex binding, it'll becoming simple and easy in Wellfield Kids Printing.