We’d love to hear from you. Whether you have a question about our products, customization options, or an order you’ve placed, our team is here to help.

Email: support@bygonemark.net
Adress：Room 2018, Building 1, Huilong Business Center, Minzhi Subdistrict, Longhua District, Shenzhen, China
Tel:+86 13602564709
Business Hours: Monday – Friday, 9:00 AM – 6:00 PM (GMT+8)
Response Time: We aim to reply within 24–48 hours.

For collaborations, wholesale inquiries, or press requests, please contact us at:

Partnerships & Media: bygonemarks@gmail.com