Customer Service & Contact Policy

Should you require assistance regarding purchase orders, item specifications, logistics tracking, return processing, or any general shop inquiries, our dedicated service team is at your disposal.

Contact Details

  • Brand Name: birunoacen

  • Website: birunoacen.com

  • Customer Support Email: support@birunoacen.com

  • Telephone: +1 (424) 380-6188

  • Business & Return Address: HONGKONG ARKTECH LIMITED, RM11, 13/F, BLK C, WONG KING IND. BLD., 192-198 CHOI HUNG RD, SAN PO KONG, HONG KONG

Assistance Guidelines

To expedite your request, kindly include the following information when reaching out to us:

  • Your unique purchase/order number

  • The email address associated with your checkout

  • A comprehensive description of your inquiry or issue

Support Operations

Inquiries are reviewed strictly during standard working days. Please note that overall turnaround times may fluctuate depending on incoming message volume, official public holidays, or unforeseen operational factors. We sincerely appreciate your patience.