Dear friend, we deeply apologize for the inconvenience caused by the missing components in your order, and we will take responsibility for this negligence. Our team has traced the errors in our fulfillment process and we will deliver the lost parts to you as soon as possible. A dedicated business manager will personally follow up to ensure that the issue is resolved. Our commitment to all customers: This incident prompted us to conduct a comprehensive review of the quality control protocol to prevent future issues. We value the trust of every customer and promptly resolve any issues that arise. We kindly request that you reconsider your feedback after the parts arrive. Your satisfaction is our ultimate goal, and we are eager to restore your confidence in Chongtong.