This period, our QA & PD often found low bonding between printing inks and LDPE layer, only for white printed background's job.The following job description which we encountered problem. 1. PET / INK // LDPE, Cellophane / INK // LDPE2. Used the LP-GEM & Multistar ink and added the 3% LPNYB into the white ink3. Used 3% Solid application of PU based primer for lamination process As the above issue, we would like to make an appointment with you and your technical to discuss and find out the solution to solvethis problem on Friday, June 5th, 2015 at 10.00 A.M. at our factory.