Meaning of a phrase

[Mairzydotes]

I have a French friend who is going to China to buy materials for his business. He has just rung me to know the meaning of something he does not understand.
Neither do I!!! But it's quite urgent.
Can anyone help, please?

MELL CERTIFICATE
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Thanks!

[ukfinanceguy]

If your friend is investing in materials and these items are being manufactured then what you are talking about is a "A mill certificate". This is a steel industry document that is used to certify the manufacturing standards of the products produced by the mill. Often words like this get misspelled in the translation. I found this answer on htttp://www.hedgefundfaq.com/answer.php?q=what-is-a-mill-certificate