LATE SHIPMENT CANNOT BE TOLERATED IN THE FUTURE
I have just received your shipment of [PRODUCT (S) drywall]. I understand that the busy nature of your business makes it reasonable to expect the occasional late delivery. However, this is the [ORDINAL, ex. fifth] late shipment we have received in the past [DURATION, ex. month].
Although I am confident that this is an exceptional circumstance, surely you can understand that this level of delay causes us significant inconveniences. I am also certain that quick dispatch of our orders would help reserve space in your inventory for new orders.
You know that we would like to continue to do business with you. I would thus greatly appreciate your care and attention in this matter to ensure that our future orders arrive in a reasonable amount of time.