Are these sentences grammatically correct?

[MAJSH]

Please note that the following items have been returned back to us by the supplier on [date]. These were returned to the supplier earlier because of non-conformity, and these were not dealt with our requirement in time as per the site requirements.

 

[bhaisahab]

Please note that the following items have been returned back to us by the supplier on [date]. These were returned to the supplier earlier because of non-conformity, and these were not dealt with our requirement in time as per the site requirements.

Please note that the following items were returned to us by the supplier on [date]. These had been returned to the supplier earlier because of non-conformity, and these were not dealt with our requirement in time as per the site requirements.
The part in red doesn't make sense.

 

[MAJSH]

Thank you very much for your help. Can I write as follows?

Please note that the following items were returned to us by the supplier on [date]. These had been returned to the supplier earlier because of non-conformity, and these items were not meet to our requirement even though they didn't supply it on time as per the request.

 

[bhaisahab]

Thank you very much for your help. Can I write as follows?

Please note that the following items were returned to us by the supplier on [date]. These had been returned to the supplier earlier because of non-conformity, and these items were not meet to our requirement even though they didn't supply it on time as per the request.

No, it's still not clear.