Contact Us

If you have questions about our products or your orders, please create a support ticket by contacting us via:

  • Email:
  • Phone: +1(636) 888-0588
  • Mon-Sat: 9 AM-5 PM GMT+7
  • R&D Team Office: 02 Ton That Thuyet, My Dinh, Nam Tu Liem, Ha Noi, Viet Nam.
  • Mailing Address: 300 Delaware Ave Ste 210 #494 Wilmington, DE 19801, United States

We generally respond within 12 hours of your inquiry.

Please check our FAQ page and/or Policy page before contacting us in regards to general questions. If you have a product question, please see if the product description has the information before emailing us.

If you have a question about your receiving your tracking number, please be sure it has been 3-5 business days after you’ve ordered as that is the general processing time.

If you have a question about switching items or others related to the shipment, please provide us with an order number.

Thank you!


HiVis Custom Team