淩雲科技 Holo solution Inc.Scratch off Ink | OVI OCEP availableScratch-off Ink can also be combined with OVI (Optical Variable Ink) and OCEP (Optical Changeable Effect Pigments)
淩雲科技 Holo solution Inc.Anti-counterfeit Ink List - Ink is lifeless, but the design is alive!Under different conditions such as special light sources, angles, and temperatures, the ink will appear, change color and undergo various...
淩雲科技 Holo solution Inc.Optically Variable Ink (OVI) security labelsOptical Variable Ink (OVI) can be seen at different angles for different ink colors. The Optical Variable Inks have their unique features...