... , horizonal 2)Certificate: CE, CARB, ISO9001, ISO14001 3)Usage:descorative material, package, etc MDF Slotwall:1, Base board: MDF 2, Size ... 1220mm*1220mm 3, Thickness: 15mm,16mm,18mm,21mm,25mm 4, Material/density: MDF, 720-750 kg/m3 5, End side half groove ...