OTG Customer Service Center:

Unit 521, 5/F, Block 1,
Golden Industrial Building,
No. 16-26 Kwai Tak Street, Kwai Chung,
New Territories, Hong Kong

 

Business Hours:

Monday to Friday: 9:30-12:00; 14:00-6:00pm
Saturday, Sunday & Public Holidays: Closed

General Enquiries: [email protected]
Sales Department: [email protected]
Technical Support: [email protected]
Solution Enquiry: [email protected]
Education: [email protected]
General Line: (852)3727 8000
Technical Support: (852)3727 8002
FAX: (852)3727 8001