... : 2.0mm~25mm 3. core: poplar, eucalyptus, okoume, hardwood, etc. 4. face/back: okoume 5. grade: bb/ ... : 2.5mm ~25mm 3. core: poplar, pine , birch, hardwood, etc. 4. gule: Mr, E2, E1, E0, Melamine, ... /15mm/18mm/21mm/25mm 3. core: poplar, birch, hardwood, combi wood 4. film: black, brown 5. glue: Mr, ... .5mm/4mm/4.5mm~25mm 3. core: poplar, birch,hardwood. 4. species: teak, beech, Chinese Ash, cherry, ...