范文：
[Your Name]
[Your Address]
[City, State, Zip Code]
[Email Address]
[Phone Number]
[Date]
[Recipient's Name]
[Recipient's Title]
[Company/Organization Name]
[Company/Organization Address]
[City, State, Zip Code]
Subject: Complaint Regarding [Product/Service]
Dear [Recipient's Name],
I am writing to you as a loyal customer of [Company/Organization Name] to express my dissatisfaction with [specific product/service] that I recently purchased/did not receive as expected. I hope that my complaint will be addressed promptly and to the satisfaction of all parties involved.
On [date of purchase], I purchased [specific product/service] from your store/website. I had high expectations for this product/service due to the positive reviews and reputation of your company. Unfortunately, I have encountered several issues that have left me disappointed and frustrated.
Firstly, [describe the specific issue or problem]. This was particularly disappointing because [explain why it was a letdown or how it affected you negatively].
Secondly, [describe another issue]. The [aspect of the product/service] was not as advertised, and this discrepancy has caused me to question the credibility of your company.
Furthermore, [mention any additional concerns]. I have tried to resolve these issues on my own, but I have not received any satisfactory response from your customer service department.
I kindly request that you take the following steps to resolve this matter:
1. [Suggestion for resolution 1].
2. [Suggestion for resolution 2].
3. [Suggestion for resolution 3].
I believe that a prompt resolution to this issue is in the best interest of both [Company/Organization Name] and myself. I have included a copy of the receipt and any other relevant documents for your reference.
Please understand that I am not making this complaint lightly, as I have been a satisfied customer of [Company/Organization Name] for many years. I hope that you will take this matter seriously and work towards a resolution that will restore my confidence in your company.
I look forward to hearing from you soon and hope for a favorable outcome.
Thank you for your attention to this matter.
Sincerely,
[Your Name]
常见问答知识清单：
1. 投诉信应该包含哪些基本信息？
2. 如何撰写投诉信的开头部分？
3. 投诉信中应该如何描述具体问题？
4. 投诉信中可以提出哪些合理的解决方案？
5. 投诉信的结尾部分应该如何表达？
6. 投诉信中是否需要附上相关证据？
7. 投诉信应该发送给哪个部门或人员？
8. 投诉信应该以何种格式发送？
9. 投诉信的语气应该如何？
10. 投诉信发送后应该怎样跟进？
详细解答：
1. 投诉信应包含基本信息，如发件人姓名、地址、联系方式，以及收件人姓名、职位、公司/组织名称和地址。
2. 投诉信开头部分应礼貌地称呼收件人，并简明扼要地说明写信目的，如“尊敬的[收件人姓名]，我写此信是为了对[产品/服务]的投诉。”
3. 投诉信中应详细描述具体问题，包括时间、地点、涉及的产品/服务以及问题的具体表现。
4. 投诉信中可以提出合理的解决方案，如要求更换产品、退款、赔偿等，并说明这些解决方案对你和公司的利益。
5. 投诉信结尾部分应表达感谢，并期待对方尽快回应，如“感谢您的关注，我期待您的回复。”
6. 投诉信中可以附上相关证据，如收据、照片、电子邮件等，以支持你的投诉。
7. 投诉信应发送给负责处理此类问题的部门或人员，如客户服务部、质量部等。
8. 投诉信可以以电子邮件、信件或传真等形式发送，但建议使用正式的商务信函格式。
9. 投诉信的语气应保持礼貌、专业，避免情绪化或攻击性。
10. 投诉信发送后，可以通过电话、电子邮件或邮寄信件的方式跟进，以确保问题得到妥善处理。
