The frequency of inspections is between 45 minutes and 60 minutes. The inspection content is based on finished product inspection standards. And fill in "Process Inspection Record". If any unqualified items are found during the inspection, they should be promptly corrected on site. For the production of unqualified products, the production workshop is required to be isolated, and the inspectors shall make corresponding marks, and put forward corrective and preventive notices, and rework and repair notices.