... .0mm Width: 600mm-1100mm Length: 1800mm-2200mm Plywood Door Skin Wooden DoorSpecificationFace: Okoume, Bintangor, Agathis, Ash, Beech, Teak,Sapele, Walnut, etc ... Agathis, Ash, Beech, Sapele, Walnut (sometime we use Birch as the back, because Birch is a sort of hardwood and can effectively ... prevent warping. In addition, if to use Birch as the back, the prices will be around USD10.00 ...