poplar core,birch face/back. grade:B/B ,C/D,D/D,D/E glue:MR,E2,E1,melamine plywood face/back including bingtangor,okoume,hardwood,pine,marsawa,pencil cedar,birch and so on. the core including poplar, hardwood,and combi core,birch the glue including MR, melamine,WBP,E2,E1.thickness:1.8-20mmsize:1220*2440,1250*2500 birch plywood