Contact Us

Contact Information

Thank you for visiting our official website. Below is our contact information. If you have any questions regarding our products, orders, or policies, please reach out through the appropriate channel.


Order Support & After-Sales Service

For questions related to existing orders, returns, or warranty claims, please include your order number (e.g., #DFXXXX) in your message so we can assist you efficiently.

📧 Customer Support Email: dumfume@hotmail.com

All return requests must be submitted in advance. Please do not send any items back without receiving return instructions from our support team.


Pre-Sales Inquiries

For product questions, compatibility, or general inquiries before purchase, please contact:

📧 Pre-Sales Support: dumfumeofficial@gmail.com


Wholesale & Business Partnerships

For bulk orders, distribution, or business collaborations, please contact:

📧 Business & Partnerships: hello.dumfume@gmail.com


Legal Business Information

Operating Entity:
Shenzhen Qiangzhong E-commerce Co., Ltd.

Registered Address:
Room 603, Building D, Donghaiwang Industrial Park,
No. 369 Bulong Road, Longgang District,
Shenzhen 518129, China