When applying for sealing inspection of pressure vessel s, the Manufacturer shall fill the Application for Sealing Inspection of Pressure vessel s (Annex 32) and submit the documents shown below:1. Material certificate 1 copy2. 2 copies of specification of sealing (Annex 32) and 1 copy of construction locations classification map.3. 2 copies of detailed structure drawing and strength calculation sheet.4. Sealing technician certificate of sealing constructors.5. Qualification certificate for the type inspection of manufacturing facilities, sealing procedure and sealing procedure qualification examination records.