CIG Shanghai Co., Ltd., together with its subsidiaries, engages in the research and development, production, and sale of edge computing, industrial interconnection, and high-speed optical module products in China and internationally. The company offers terminal equipment, including telecom broadband, wireless networks, and small base stations for telecommunications, data communications, and enterprise networks. It also provides a range of optical transceiver solutions for data centers, high-performance computing, telecommunications, 5G wireless networks, and other applications; wired access network products, such as XGS-PON, 10G EPON, single family units, residential gateway units, and multiple dwelling units; and wireless access products comprising routers/gateways, data switches, wireless access points (AP), AC controllers, and LTE 4G/5G small cells, as well as indoor and outdoor APs, outdoor CPE, and Wi-Fi mesh home gateway products. In addition, the company offers carrier-grade ethernet switches for SMBs, enterprises, and service providers; and edge computing solutions for use in industrial IoT, telematics, 5G infrastructure, network security, and other applications. It exports its products. CIG Shanghai Co., Ltd. was founded in 2005 and is headquartered in Shanghai, China.