Dear [Recipient's Name], I am writing this letter to apologize for the delay in the partial shipment of goods that were supposed to be delivered to you by [Original Delivery Date]. I understand that this delay may have caused inconvenience and frustration, and I sincerely apologize for any inconvenience caused. The delay in the partial shipment of goods was due to unforeseen circumstances beyond our control. Despite our rigorous planning and coordination efforts, there were unexpected production delays at our manufacturing facility, which resulted in a shortage of the required items for your order. We immediately started working on resolving this issue as soon as we became aware of it. I want to assure you that we are taking immediate actions to rectify the situation and expedite the delivery of the remaining items. We have already engaged additional resources to ramp up production and ensure that the remaining goods are processed and shipped as soon as possible. Our team is working around the clock to minimize any further delay and deliver the products to you as swiftly as we can. We understand the importance of timely and efficient service, and we deeply regret any negative impact this delay may have had on your business operations. Rest assured that we are doing everything within our power to resolve this matter promptly. We value your business and your satisfaction is our utmost priority. To compensate for the inconvenience caused, we would like to offer you [appropriate compensation], as well as a discount on your next order with us. We hope this gesture demonstrates our commitment to providing exceptional service and maintaining a strong business relationship with you. Please accept our sincere apologies for the delay and any inconvenience caused. If you have any further questions or concerns regarding this matter, please do not hesitate to contact our customer service team at [phone number] or [email address]. Our representatives will be more than happy to assist you. We appreciate your understanding and patience in this matter. Thank you for your continued support and for giving us the opportunity to serve you. Yours sincerely, [Your Name] [Your Title/Position] [Company Name]