If you have any enquiry, please contact us by following methods:

CS Hotline

Tel: (Mainland) 400-1208-108 / (Hong Kong) (852) 3465 5665

Email: cs@csci.hk

Address: 18/F, Two Exchange Square, Central, Hong Kong

CIES Hotline

Tel: (852) 3465 5673

聯絡我們