... /21/25mm 3)Core: paulownia,fir,falcate, oak,etc Finger Jointed Wood, Finger jointed panels, FJP:1) Sizes:1220*2440mm or as ... /18/21/25mm 3) Core: paulownia, falcate, poolar, ceader, hardwood, oak, fir, pine,etc.4) Face/back:okoume,ash,birch,pine ... ,oak,sapele,paper,or as your requirements5) Grade: AB , AA , BB , ...