Is Shandong Tianhe Technology Co., Ltd. a state-owned enterprise?

No, according to official website, Shandong Tianhe Technology Co., Ltd. is a private enterprise, so Shandong Tianhe Technology Co., Ltd. is not a state-owned enterprise. Shandong Tianhe Technology Co., Ltd. was established in 2003, which is a high-tech enterprise integrating scientific research, production and sales.