・ The company verifies the identification tag to check if products are manufactured in a specified process using specified materials
・ The management criteria for delivery may include not only conducting management in the process, but also quality check at delivery
・When the company finds ""nonconformity"" occurred at any of the processes between receiving and delivery, the company takes an action of ""suspension of shipment""
・Points of auditing the mixed production system: to pay attention to the solder flow process, inspection at issuing parts or if any check is done at testing, etc."