Check the product certificate, inspection report and required retest report of the materials for skeleton partition wall. The variety, specification, performance and wood moisture content of keels, fittings, wall panels, filling materials and caulking materials used shall meet the design requirements. If there are requirements for sound insulation, heat insulation, flame retardancy, moisture resistance, etc., there should be corresponding performance level test reports. The artificial board shall be provided with a retest inspection report. (Formaldehyde content