... /back: Okome, Bintangor, Birch,etc. CE& ISO certificate Product namepoplar blockboard Face and backOkoume, bintangor,keruing, poplar, birch,red oak,ash ... ,pencil cedar, etc Corepine,poplar,fir,hardwood,imported red hardwood, paulownia, falcata, combi etc Thickness4MM,6MM,9MM,12MM,15MM,18MM,19MM ... > No ratten or decay.5> Low formaldehyde emission. Good Quality Blockboard