Is Guo Xuan Hi-Tech a state-owned enterprise?

Not a state-owned enterprise.

According to (Tianyancha) query, Guo Xuan Hi-Tech Co., Ltd. belongs to other joint-stock companies (listed) and is a legitimate business enterprise approved by the Ministry of Industry and Information Technology. Founded in 1995, located in Hefei, Anhui Province, mainly engaged in the manufacture of electrical machinery and equipment.