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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)
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