After inspection, it was found that the old certificate was not specified "EN10204" in certificate.
Purchasing Department, helping to make sure.
at the Old PO. in description have detail about " MTC type : EN10204/3.1, shall be indicated in MTC.
For this Lot, Please inform to mill for edit the MTC by adding EN10204.
But if you think that is not important. please delete the messages from the purchase order.