We sell various anti-forgery printing inks such as Ultra-violet fluorescent ink, Infrared excitation ink, Temperature sensitive ink, Optical variable ink, Soaking discoloration ink, Solar discoloration ink, Magnetic ink, Watermark ink, Hollow breakdown type ink, Chemical discoloration printing ink, Sterilization indication ink etc., Which are good for Screen printing, Offset printing, Intaglio printing and Flexographic printing, and so on.