As a result of increasing interest in honeycomb sandwich board, several expos have a helpful range of displays: FESPA Digital had a nice assortment of brands this year in London, for example. Yet other expos are weak in these materials. So you don’t always get to see, touch, and learn about the potential of honeycomb sandwich board. You need to attend the really leading expos, such as APPPEXPO in Shanghai (and FESPA Digital (which means FESPA in Europe) as we just mentioned). This report is to show which companies were exhibiting honeycomb material at APPPEXPO 2013.