Nanjing Zhongke Microelectronics Co., Ltd. (hereinafter referred to as "CSM" or "Nanjing Zhongke Microelectronics") is a fabless integrated circuit design company, jointly established by the Institute of Microelectronics of the Chinese Academy of Sciences, Nanjing Internet of Things Center, and a team of returnees from the United States at the end of 2012. The company focuses on the R&D and production of wireless communication and IoT core chips with high integration, low power consumption and high cost performance. The company's main products include ultra-low power 2.4GHz data communication chips, 2.4GHz active RFID chips, 13.56MHz contactless card reader chips and 125KHz low-frequency trigger chips, which are used in smart campuses, smart street lights, electric bicycle anti-theft, smart cold chain transportation management, fixed asset management, etc., and have played a significant role in the process of realizing China's smart city construction. CSM aims to be the "leading IC ent