Our headquarters in China operates Monday through Friday from 9:00 AM to 6:00 PM (CST). For regions outside China, local representatives are available to assist you during their respective business hours.

If you are in North America, Europe, the Middle East, or Asia-Pacific regions, we can connect you to a local representative. Please email us at [info@glassesodm.net] with your location and inquiry, weill assign a local contact.

We aim to respond to all inquiries within 24 hours. For urgent matters, please mention “URGENT” in the subject line of your email or call us directly during business hours.

To request a product sample or catalog, email us at [info@glassesodm.net] with details about your business, specific interests, and your shipping address.

Visits to our headquarters or factories can be arranged for clients upon request. Please contact us two weeks in advance to schedule your visit.

We value your feedback! You can email our top management at [ad@glassesodm.net] or use the feedback form on our website. For complaints, please provide detailed information about the issue, and our team will address it promptly.

Yes, we offer support in several languages, depending on your region. Let us know your preferred language when contacting us, and we will do our best to assist you.

If you haven’t received a reply within 3 business days, please resend your inquiry or call us directly. Technical issues occasionally delay emails, and we want to ensure your concerns are addressed.