Printing black color images and making necessary contrast in tone of colors have always been concerns of the expert printers.
In this method, the level of value is increased to 4 times, compared with ordinary methods. Then thickness of ink is increased 4 times thicker than ordinary colors. Unimagined darkness of black color in some parts does not increase the value of colors in lighter parts.
Keeping the high level of contrast is one of the important qualities of this technique.

— RGB Printing
— Lenticular Printing
— Fragrance Printing
— Metalic Printing
— Metalized Printing
— Deep Colors Printing
— Effective Ink Printing
— Fluorescent Ink Printing
— Phosphorus Color Printing
— Portraying Painting and Graphic Works
— Embossed Printing by Pressure
— Embossed Printing by Thermography