范文：
[Your Name]
[Your Address]
[City, State, Zip Code]
[Email Address]
[Date]
[Recipient's Name]
[Recipient's Title]
[Company/Organization Name]
[Company/Organization Address]
[City, State, Zip Code]
Dear [Recipient's Name],
Subject: Complaint Regarding [Product/Service] – [Date of Purchase]
I am writing to express my dissatisfaction with the [product/service] I recently purchased from your company on [date of purchase]. As a loyal customer, I have always appreciated the quality and service provided by [Company/Organization Name]; however, my recent experience has been far from satisfactory.
The product I received was [describe the issue, e.g., damaged, defective, or not as advertised]. Specifically, [provide details about the problem, such as cracks, missing parts, or incorrect information]. This issue not only compromised the functionality of the product but also wasted my time and money.
I have taken the following steps to address this matter:
1. I contacted your customer service department via phone on [date] and was promised a resolution within [timeframe]. Unfortunately, I have not received any updates or assistance as of [current date].
2. I attempted to reach out to your customer service team via email on [date], but my message has not been responded to.
I kindly request that you take the following actions to rectify this situation:
1. Send me a replacement [product/service] that is in perfect working condition.
2. Provide a full refund for the defective product.
3. Offer a discount on my next purchase as a gesture of goodwill.
I believe that [Company/Organization Name] stands for excellence in customer service, and I hope that this matter can be resolved promptly. I look forward to your response and appreciate your attention to this complaint.
Thank you for your time and assistance. I hope to continue my patronage with [Company/Organization Name] in the future.
Sincerely,
[Your Name]
常见问答知识清单：
1. 投诉信应该写些什么内容？
2. 投诉信的格式是怎样的？
3. 如何称呼收信人？
4. 投诉信的开头应该写什么？
5. 投诉信中应该提供哪些具体信息？
6. 投诉信的结尾应该怎样写？
7. 投诉信中如何表达不满？
8. 投诉信中如何提出具体要求？
9. 投诉信中应该如何礼貌地请求帮助？
10. 投诉信发送后应该怎么跟进？
详细解答：
1. 投诉信应包括基本信息（如收信人、发信人、日期）、具体投诉内容、提出要求、表达感谢或期待回复，以及结束语。
2. 投诉信通常包括：信头、称呼、正文、结束语、签名等部分。
3. 称呼收信人时，可以使用先生、女士、经理等正式称呼，或使用其名字（如果知道）。
4. 投诉信的开头可以写：“Dear [Recipient's Name],”或“Dear [Recipient's Title],”以表明尊敬。
5. 投诉信中应提供具体信息，如购买日期、产品名称、问题描述、联系方式等。
6. 投诉信的结尾可以写：“Sincerely,”或“Thank you for your attention to this matter,”等。
7. 在投诉信中表达不满时，应保持冷静和专业，避免使用侮辱性语言。
8. 提出具体要求时，可以明确指出希望得到的解决方案，如更换产品、退款或折扣等。
9. 在请求帮助时，可以使用礼貌用语，如“Please”或“I kindly request”等。
10. 投诉信发送后，可以通过电话、邮件等方式跟进，确认收信人是否已收到，并了解处理进度。
