These are the proceedings of the International Conference on Packaging Technology and Science (ICPTS 2012), held on October 25-28th 2012 in Ningbo, China. Volume is indexed by Thomson Reuters CPCI-S (WoS). The 161 peer-reviewed papers are grouped into 5 chapters: Applied Mechanics of Packaging; Packaging Materials; Packaging Technology and Equipment; Packaging Design Methods; Packaging Printing