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GTfiber support

Contact Us

Help with product questions, orders, shipping, returns and warranty claims.

Contact Us

How can we help?

For an existing order, please include your order number and the email address used at checkout. For a product question, include the product link.

Email

support@gtfiber.us
Monday to Friday, 9:00 a.m.–6:00 p.m. U.S. Eastern Time (ET). We reply within 24 hours on business days. Messages received outside these hours are answered on the next business day.

Phone

+852 5186 9813 (international call to Hong Kong)
Monday to Friday, 9:00 a.m.–6:00 p.m. Hong Kong Time (HKT). Outside these hours, please email us.

Company

GT-FIBER COMMUNICATION CO., LIMITED
Company Registration No. (Hong Kong): 1754055
Flat B02, 2/F, Hoover Industrial Building
No. 26–38 Kwai Cheong Road, Kwai Chung, Hong Kong

This is our registered office. It is not a store or a return address — please request a return authorization before sending any item.

Helpful links

Track your order · Shipping Policy · Return, Refund & Warranty Policy · FAQ

For your security, never send full card numbers or passwords by email.