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Contact Us
Digi-Sign Certification Services Limited
11/F & 12/F, Tower B, Regent Centre
63 Wo Yi Hop Road
Kwai Chung
Hong Kong
General Line
(852) 2599 1777
Fax
(852) 2174 0019
Office Hours
8:30 a.m. - 6:00 p.m. (Monday to Friday)
Email
hotline@dg-sign.com
Website
https://www.dg-sign.com
Certificates Directory &
Certificate Revocation List
ldap.dg-sign.com, ldap2.dg-sign.com
Customer Service Hotline
(852) 2917 8833
Emergency Telephone No.
(852) 2917 8833, for use:
Beyond office hours
On Sunday, or Public Holidays
When tropical cyclone warning signal No. 8 or above is hoisted
When the "black" rainstorm warning signal is hoisted