Back marked cards and Barcode marked cards

As a leading casino products provider, GS has many kinds of gambling device for sale. Here, we will recommend our practical side marked cards with poker scanning system.
Using with our specialized best luminous cards marking ink, we can process all kinds of playing cards with stringent poker printer machine and invisible ink juice into back invisible marked cards and edged barcode marked cards. For the former one, we mark the invisible ink markings on the back of deck of cards which can be read by invisible ink pen contact lenses or infrared perspective sunglasses. The latter one is print invisible ink barcode at the side of poker cards and only can be read by playing cards scanning camera.
These marks on the GS marked cards can stay unfading as long as 2 years! It is difficult to find chromatic aberration between GS marked cards and regular playing cards.