Dear [Recipient's Name], I am writing to provide a detailed explanation for the delay in partial shipment of our order [Order Number] that you have been eagerly anticipating. We sincerely apologize for any inconvenience caused by this delay and assure you that we are taking all necessary steps to resolve this situation promptly. Initially, due to unforeseen circumstances at our manufacturing facility, we encountered a delay in receiving the necessary raw materials. Despite our best efforts, we were unable to secure alternate suppliers within a reasonable timeframe, thus resulting in the partial shipment delay. We understand the impact this delay may have on you and sincerely regret any inconvenience caused. We understand the urgency of your order and are actively working to expedite the process. Our production team is now collaborating closely with our suppliers to acquire the required raw materials as soon as possible. We have already initiated expedited shipping methods to minimize any further delays. Furthermore, to compensate for the partial shipment delay, we have arranged for a complimentary addition to the remaining items of your order. This additional item is specially selected to complement your previous purchase, and we hope it will help alleviate any frustration caused by the delay. Once again, we deeply apologize for the inconvenience and frustration this delay has caused. We understand the importance of timely deliveries and are committed to ensuring that such delays do not occur in the future. Thank you for your continued patience and understanding. We will keep you updated on the progress of your order and provide you with the tracking information as soon as the remaining items are shipped. If you have any further questions or concerns, please do not hesitate to contact our customer service team, who will be more than happy to assist you. We value your business and appreciate your understanding in this matter. Sincerely, [Your Name] [Your Title] [Company Name]