24K digital printing
Technology of printing 24K pure gold leaf on various documents in a form of at least 8 pt in size and 600 dpi image
It implements a higher level of security by adding gold leaf shapes to existing documents. Printing technology solution with IoT devices and apps Paper-type multi-layer PCB
Unique chemical texture of monotone/colors of the natural adhesive coating agents such as printing UV varnish, urethane lacquer after pre-treatment on Korean traditional paper, coated paper, film, etc.