Amazon orders
For returns, refunds, delivery issues, and order changes, start from your Amazon order page. Amazon policy applies to Amazon purchases.
Support
Warranty help, Amazon order support, and business questions.
For the fastest response, include your Amazon order ID, product ASIN, purchase date, photos, and a short issue description.
1-year replacement support
Email DongChu with valid order information. Eligible product issues may receive replacement support for up to 1 year.
Wholesale and retail
Share your company name, country, expected quantity, and product model interest for business purchasing questions.
What to include
- Amazon order ID
- Product ASIN and model
- Purchase date
- Clear photos of the product and issue
- Short description of what happened
Replacement support does not cover misuse, intentional electrical exposure, modified products, normal wear, use outside product instructions, or work that violates electrical safety rules.