PingWei Anti-forgery Ink Limited

uv invisible ink to blue to write game card
anti-forgery ink by invisible According to different excitation light sources,Harmless fancy invisible UV ink in stamps it Invisible ink – Wikipedia can be divided into long wave UV fluorescent ink, short wave UV fluorescent ink and double wave UV fluorescent inks. From the excitation in the form of color change, fluorescent ink it can be divided into UV invisible fluorescent ink, Security UV Invisible Ink UV invisible fluorescent ink, and UV discoloration