Inside, there are metal clips on the left and right inner covers.
In the middle, there is big metal rings as spine.
Material : �different thick cardboard, �artpaper
finished : �Lamination/embossed, vanish, aqueous
coating,
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Machines
for production : �Filming machine, offset�Printing machine, glossy
lamination machine, metal die-cutting machine, UV/aqueous coating
machine, foil stamping machine, �embossing machine, automatic
case-making machine
