Is Taiyuan Guo Ke Semiconductor Optoelectronic Research Institute Co., Ltd. a state-owned enterprise?

No. Taiyuan Guo Ke Semiconductor Photoelectric Research Institute Co., Ltd. is a private enterprise, so Taiyuan Guo Ke Semiconductor Photoelectric Research Institute Co., Ltd. is not a state-owned enterprise. Taiyuan Guo Ke Semiconductor Optoelectronic Research Institute Co., Ltd. was established in 2020, located in Taiyuan City, Shanxi Province, and is an enterprise focusing on research and experimental development.