BY DERNER is an independent online brand operated by **Rosvita Angela Derner** from Brazil, serving customers in the United States.
We focus on carefully selected products with an emphasis on clear product information, thoughtful design, straightforward customer service, and a transparent shopping experience.
### How We Operate
BY DERNER works with independent international suppliers and fulfillment partners.
Depending on the product and inventory availability, orders may be dispatched from international fulfillment locations, including locations in China and other parts of Asia.
We aim to provide clear and accurate information about product specifications, shipping times, returns, warranties, and customer support before purchase.
### Our Commitment
BY DERNER currently offers:
- Free standard shipping to the United States
- 60-day returns
- 2-year limited warranty against manufacturing defects
- Direct customer support
### Business Information
**Store Name:** BY DERNER
**Legal Operator:** Rosvita Angela Derner
**Website:** byderner.com
**Email:** info@byderner.com
**Phone:** +55 (44) 997007878
**Business Address:**
Rua Pioneiro José Tel, 1124
Jardim Guaporá
Maringá - PR
Brazil
**Customer Service Hours:**
Monday–Friday
9:00 AM–6:00 PM BRT