What are the levels of the four state-owned enterprises in Zhangzhou?

The four major enterprises in Zhangzhou are Jiulong River Group, Zhang Long Group, City Investment Group and Transportation Group. They are all key state-controlled enterprises, enterprises supported by the state and large state-owned enterprises, but they are not institutions and have no grades.

Zhangzhou is a prefecture-level city and a medium-sized city under the jurisdiction of Fujian Province, and the national coastal economic open zone approved by the State Council is one of the areas that opened to the outside world earlier in China.