Contact information

Last updated 30 September 2026

Trading name: Ulmarqen

Company: D INTERNATIONAL INVESTMENT LIMITED

Registered address: Flat/Rm 02, 13/F, Railway Plaza, 39 Chatham Road South, Tsim Sha Tsui, Kowloon, Hong Kong

Email: info@ulmarqen.com

We reply within one business day, Hong Kong time. The registered address is not a returns address; please email us before sending anything back.