Contact Us

Contact Tethira

Tethira (tethira.com) is owned and operated by RAY POWER TECHNOLOGY TRADING LIMITED.

Legal operator: RAY POWER TECHNOLOGY TRADING LIMITED
Registered office: UNIT 2, 8/F, ON TIN CENTRE, 1 SHEUNG HEI STREET, SAN PO KONG, KOWLOON, HONG KONG
Email: support@tethira.com

For questions about products, orders, shipping, returns, or privacy, email support@tethira.com. Include your order number where applicable. Do not send payment card details or account passwords.

Support hours: Monday-Friday, 9:00 AM-6:00 PM, Hong Kong Time (GMT+8), excluding public holidays. We aim to respond within two business days.

Returns

Please contact us before sending a return and follow the instructions provided for eligible items.

US return processing address (authorized returns only):
Rose Niederhauser
10181 NW 51st Lane
Doral, FL 33178
United States

The US return processing address and the Hong Kong registered office serve different purposes. The registered office is not a designated return location. Please review our Return & Refund Policy.