Terms of Service

Last Updated: January 2026

1. Acceptance of Terms
By accessing and using dumfume.cn (the “Website”), you agree to be bound by these Terms of Service, our Privacy Policy, and all applicable policies published on this Website. If you do not agree with any part of these terms, please discontinue use of the Website.

These Terms apply exclusively to purchases and activities conducted through the official DUMFUME website at dumfume.cn.

2. Lithium Product Use & Safety
You acknowledge and agree that lithium battery products require proper handling and usage. All products must be used strictly in accordance with the provided specifications, instructions, and safety guidelines.

  • Unauthorized modification, misuse, or improper handling may void applicable warranties
  • Failure to follow operating instructions may result in reduced performance or safety risks

DUMFUME shall not be responsible for damage or loss resulting from:

  • Use with incompatible devices or systems
  • Unauthorized modification or repair
  • Neglect, improper installation, or improper storage
  • Failure to comply with user manuals or safety warnings

3. Intellectual Property Rights
All content on this Website, including but not limited to trademarks, logos, text, images, and product designs, is the property of DUMFUME and is protected by applicable intellectual property laws.

You may access and use Website content for personal, non-commercial purposes only. Any unauthorized use, reproduction, or distribution is strictly prohibited.

4. User Responsibilities
You agree to:

  • Provide accurate and complete information when placing orders or creating accounts
  • Maintain the confidentiality of your account credentials
  • Refrain from any activity that disrupts Website functionality or violates applicable laws
  • Use the Website in compliance with all applicable regulations

5. Orders, Pricing & Availability
We reserve the right to refuse or cancel any order at our discretion. Product prices, descriptions, and availability are subject to change without prior notice.

Returns, refunds, and after-sales matters are governed by our official Return & Refund Policy, which forms an integral part of these Terms.

6. Account Security
You are responsible for all activities conducted under your account. Please notify us immediately if you suspect any unauthorized access or use.

7. Third-Party Links
This Website may contain links to third-party websites for convenience. DUMFUME does not control and is not responsible for the content or practices of third-party sites.

8. Limitation of Liability
To the maximum extent permitted by applicable law, DUMFUME shall not be liable for any indirect, incidental, or consequential damages arising from the use of this Website or purchased products.

9. Indemnification
You agree to indemnify and hold harmless DUMFUME from any claims, losses, or expenses arising from your violation of these Terms or misuse of the products.

10. Governing Law & Jurisdiction
These Terms shall be governed by and interpreted in accordance with the laws of the People’s Republic of China (excluding Hong Kong SAR, Macau SAR, and Taiwan).

11. Changes to These Terms
We reserve the right to update or modify these Terms at any time. Revisions become effective immediately upon publication on the Website.

12. Contact Information
If you have any questions regarding these Terms, please contact us:

Email: dumfumeofficial@gmail.com

Shenzhen Qiangzhong E-commerce Co., Ltd.
Room 603, Building D, Donghaiwang Industrial Park,
No. 369 Bulong Road, Longgang District,
Shenzhen 518129, China