Tongxin Microelectronics Co., Ltd.(TMC) is a fabless chip design company focusing on smart cards and related technologies. It provides chip solutions covering mobile communications, financial payment, identification, information security and IOT that are widely used in SIM cards, M2M devices, financial IC cards, mobile payment cards, social security cards, city cards, health cards, residence cards, SE, mPOS controller, USB-Keys, contactless readers, etc, serving the global market.

Established at the end of 2001, TMC has engaged in its own core technology’s R&D, carrying out continuous innovation , won the first prize of National Scientific Progress once and hundreds of proprietary technology. TMC is a wholly subsidiary of Unigroup Guoxin Microelectronics Co., Ltd. (Stock Code: 002049, “GUOXIN MICRO” for short), which is controlled by Tsinghua Unigroup. GUOXIN MICRO is one of the largest IC design listed companies. As the leading brand of security chip, relaying on Tsinghua Unigroup’s capital strength and Tsinghua University’s talent as well as technology accumulation, the company has been constantly refreshing its leading technology advantages, and becomes the most reliable industry partner with its high performance chip products and services, and steps forward to the forefront of smart security chip technology.