首先，請允許我感謝貴公司對我公司壹直以來的支持與配合，也希望今後貴司和我司能有更廣泛的合作。
First of all, please allow me to thank your company for the support and cooperation has been my company, also hope that your company and my company can have more extensive cooperation.
最近，我們收到來自貴司競爭對手的關於X產品的專利侵權投訴，為避免可能存在的專利風險，我們啟動了內部檢討流程。在這期間，我司相關部門對貴司提供的專利資料和律師函進行了細致的分析和討論，最終認為貴司的產品侵權可能性較小，並且認為貴司在專利問題上有能力保證我司的權利。因此，在今天下午的會議上，我們決定H1工廠的訂單可以正常發送。但是，因為我司工藝的更改，X產品的交期可能出現延遲，請貴司理解，謝謝！
Recently, we have received from your competitors on product X patent infringement complaint, in order to avoid the possible risk of patents, we initiated an internal review process. During this period, our related departments to provide for your company's patent data and the lawyer's letter to careful analysis and discussion, finally think your products infringement less likely, and that your company has the ability in the patent issue guarantee our rights. Therefore, in this afternoon's meeting, we decided to H1 factory orders can be normal to send. However, because of our X change process, product delivery may be delayed, please the expensive department to understand, thank you!
商祺！
Brooke!