1high bending strength 2length within 4500mm,thickness within 60mm,any size as the request 3low formaldehyde emission ,natural Feature:1)high bending strength2)little linear expansion conefficien3)strong nail holding4)moistureproof and easy work,Can be opende notch ,open hole,and so on5)tight construction and high strength6)no ratty or decay7)low formaldehyde emission ,natural8)Size:4200*1250* ...