Contact information

# Contact Information

If you have questions regarding technical hardware compatibility, order status, return authorization (RMA), or warranty inquiries, please contact our Customer Support team:

**Company Name:** YING YING INTERNATIONAL LLC  
**Department:** CS Support  

* **Telephone:** 503-206-9057  
* **Email:** cs@yingyinginternational.llc  
* **Support Hours:** Monday – Friday, 9:00 AM – 5:00 PM (PST)

*Note: For existing order or return inquiries, please include your **Order Number** and the **Serial Number** of the component in your email for faster resolution.*