Hong Kong

Tech-Trans Telecom (China) Limited

Address:  Unit C, 9/F, 760-762 Cheung Sha Wan Road, Kowloon, Hong Kong

Tel: (+852) 2494 5000

E-mail: enquiry@tech-trans.com

Macau

Network - Applications Limited

Address: Unit V, 6/F, South-East Asia Commercial Center 180, Al. Dr. Carlos D' Assumpção, Macau

Tel: (+853) 2871 1663

E-mail: enquiry@network-applications-ltd.com