Cornerstone Association Ltd.

Address：Room 504, Austin Tower, 22-26A Austin Avenue, Tsim Sha Tsui, Hong Kong.
Tel: (852) 2314 8942
Fax: (852) 2782 4891
Email: info@cornerstone.org.hk
WhatsApp: 6848 4994
Office Hour: Monday to Friday 9:00- 18:00