CIG Shanghai Co., Ltd (CIG) is a holding company with subsidiaries in China, USA, Japan, Malaysia and Germany.

CIG has 4 business units, namely:

– Broadband BU (G/EPON, 10GPON, DSL, MOCA, etc. Enterprise, carrier and datacenter switches)

– Wireless BU   (Enterprise and Telco grade Wi-Fi, home routers and LTE/5G small cells)

– Photonics BU (Telecom client-side and DCI optical transceivers)


– JDM customer BU (Key customer Joint Development and Manufacturing programs)


CIG provides high quality R&D and state-of-the-art manufacturing collaborative services to the ICT industry. Millions of CIG products have been shipped and deployed worldwide each year.