Contact Us

Contact Information

Thank you for visiting our official website. Below is our complete and transparent contact information. If you have any questions regarding our products, orders, or policies, please contact us 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 official return instructions from our support team.

Pre-Sales & Business Inquiries

For product consultations, bulk orders, media inquiries, or business collaborations, please contact:

📧 Business & Partnerships: dumfumeofficial@gmail.com

Customer Service Phone

📞 Phone: +86 189 7084 3935
🕒 Service Hours: Monday – Sunday, 9:00 – 21:00 (UTC+8)

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