Marking cards with invisible ink

Our technical staff mark regular poker playing cards with luminous ink kit as marked playing cards by special machine.
However, there are many ways to mark cards by luminous invisible ink kit.
Many kinds of marked cards ink are available. Our marked cards juice is good quality products that are suitable for poker magic show.
Systematically, how to mark cards, luminous ink can be grouped into 2 kinds:
1. UV invisible ink contact lenses marked cards ink
2. Infrared luminous ink kit for marking cards