Unigroup Guoxin Microelectronics Co., Ltd. (Guoxin Micro; ) is a partially state-owned publicly listed Chinese semiconductor company headquartered in Tangshan, Hebei. Its main businesses are in integrated circuit chip designs, intelligent security chips, and power semiconductor devices.[2] It is estimated that in 2022, Guoxin Micro's estimated global share in SIM card chips tops 20%.[2]
Guoxin Micro is a subsidiary of Tsinghua Unigroup.
Background
The predecessor of Guoxin Micro was Tangshan Jingyuan Yufeng Electronics which was established in 1991. In August 2001, it completed its restructuring to become a joint-stock company.[3]
In June 2005, Jingyuan Electronics held its initial public offering