
Very Good Quality Screen Printing Optical Variable Ink for Currency and Security Paper, Yy17 Red Gold to Green 100g/Bottle. Optical Variable Color Shift: Features YY17 red gold to green color change effect for security applications. Solvent Based Formula: High-quality solvent-based ink designed for screen printing on security paper. OEM and ODM Services: Full OEM and ODM services available for custom printing solutions. Professional R&D Team: In-house R&D department with 2 engineers dedicated to new product development. 16-Year Industry Experience: Professional sales and technical team with over 16 years of printing industry experience. Comprehensive Support: One-stop purchasing and professional printing technology support solutions. High Quality Assurance: Products are 100% tested to ensure very high quality standards.