Is Zhengzhou Biopharmaceutical Factory a state-owned enterprise?

It is a state-owned enterprise. Qianyuanhao Zhengzhou Biopharmaceutical Factory is a central state-owned enterprise with 434 employees and five modern avian influenza vaccine production lines. Qianyuanhao Zhengzhou Biopharmaceutical Factory was founded in 1949. Its predecessor was Zhengzhou Biopharmaceutical Factory, one of the four major veterinary biological products manufacturers directly under the Ministry of Agriculture. It has been engaged in the production of animal vaccines for more than 60 years.