Which companies in Changzhou Nanxiashu High-tech Zone are state-owned enterprises?

Zhongtian Iron and Steel and CSR Group are state-owned enterprises in Nanxiashu High-tech Zone in Changzhou City. According to relevant public information inquiries, Changzhou, referred to as Chang, also known as Longcheng, is a prefecture-level city in Jiangsu Province, one of the central cities in the Yangtze River Delta region of China approved by the State Council, an advanced manufacturing base and a famous cultural tourism city.