Blockboard Size:1220x2440 Face/ Back Bintangor , oak,okoume, pine, pecial ceder Core :Poplar, hardwood, birch, pine 1. Blockboard Feature:1) High bending strength.2) Strong nail holding.3) Moisture-proof and easy work.4) Tight construction and high strength.5) No ratten or decay.6) Low formaldehyde emission.7) The productions are suitable for the construction of viaduct and tall frame building.8) ...