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David Johnson
I would like your opinion if you are a Quality Professional (ex: quality engineer, quality manager, lead auditor, registrar, and specially a Nadcap certified company).
Recently, one of our clients was critisized because the Certificate of Conformance issued with their processed parts (chemical processing) referenced more than just "meeting the manufacturing specification" stated on the purchase order.
The COC stated conformance to the (1) manufacturing specification, AND (2) AS9100 and Nadcap Chemical Processing requirements and (3) other customer specific requirement which were part of (3a) the P.O. and (3b) their supplier approval with that customer.
I consider that all of these (1 through 3b) are important as they all effect the expectations and contractual obligations between the supplier and the customer. The manufacturing spec and all other contractual obligations together govern the quality control.
Should a COC be specific only the the manufacturing specifiction as referenced in the P.O., or is it not also important to state conformance to all of the other customer specific requirements (such as other customer specific requirements beyond the spec., AS9100, Nadcap, etc.)? Feel free to elaborate. Thank you! David
Recently, one of our clients was critisized because the Certificate of Conformance issued with their processed parts (chemical processing) referenced more than just "meeting the manufacturing specification" stated on the purchase order.
The COC stated conformance to the (1) manufacturing specification, AND (2) AS9100 and Nadcap Chemical Processing requirements and (3) other customer specific requirement which were part of (3a) the P.O. and (3b) their supplier approval with that customer.
I consider that all of these (1 through 3b) are important as they all effect the expectations and contractual obligations between the supplier and the customer. The manufacturing spec and all other contractual obligations together govern the quality control.
Should a COC be specific only the the manufacturing specifiction as referenced in the P.O., or is it not also important to state conformance to all of the other customer specific requirements (such as other customer specific requirements beyond the spec., AS9100, Nadcap, etc.)? Feel free to elaborate. Thank you! David
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