Contact Us
Tel: | (852) 2647 2976 |
Enquiry : | enquiry@opensys.com.hk |
Support : | support@opensys.com.hk |
Address : | 22/F, 9 Chong Yip Street, Kwun Tong, Kowloon, Hong Kong. |
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Tel: | (852) 2647 2976 |
Enquiry : | enquiry@opensys.com.hk |
Support : | support@opensys.com.hk |
Address : | 22/F, 9 Chong Yip Street, Kwun Tong, Kowloon, Hong Kong. |