PingWei Anti-forgery Ink Limited

this is new ink from my client of buying to France
 This is new UV fluorescent ink from my client of buying to France
this is invisible to yellow color invisible ink, my new customer buying  invisible ink from me to France.

UV fluorescent ink is the most mature security inks in current market, DIY COCA COLA INVISIBLE INK? to be made by adding the corresponding invisible fluorescent compounds in the ink. Invisible UV ink for Epson Stylus printer UV and fluorescent security inks Printed Sample with this ink can excite the fluorescent in 254nm (short wave ) lengths of UV light. invisible ink.