... firm in China making hologram,2D/3D,dot matrix,master,serial number,ID overlay,scrach off label,security coupon,sticer.. ... hand-feeling line. 26. Magnetic sensitive technique.27. Security line. 28. Paper money texture.29. Anti-duplicating and ... scanning. 30. Demetalized micro-text security line.Color printingHang tag, Security coupon, anti-counterfeiting certificate, anti-fake ticket ...