It is vital to note that, right now we got a few problems from the customer, I'd be very grateful if you could help us.
We only need you to follow up and make sure for our requested such as a documented and shipping schedule, because the customer always complains and it might cost incurred and delay.
Moreover, I hope you understand and thank you for your patience and cooperation. If you have any questions or concerns, don't hesitate to let me know. I look forward to hearing from you.