Our product is non-toxic and environmentally friendly, complying with ROHS, SGS, and EU toy certification EN71.     Ink series: luminous ink, luminous paint (coating), color changing ink, color changing paint (coating), UV sensitive ink, temperature sensitive ink, fragrance sensitive ink, water changing ink (drip disappearing ink), UV fluorescent anti-counterfeiting ink, infrared excited anti-counterfeiting ink, scratch silver.     Color changing powder series: temperature sensitive powder, photosensitive powder (UV light converted powder), UV fluorescent anti-counterfeiting powder, infrared excited anti-counterfeiting powder.     Color changing finished product processing series: luminous signs, UV testing cards, health temperature testing cards, mood testing cards, LCD thermometers, LCD color changing chips, temperature sensitive color changing stickers, luminous stickers, fragrance stickers.     Long lasting luminous ...