The history of the Changling Refining and Chemical Company promotes high-efficiency overhaul　　

"In Yan'an period, some young people from wealthy families were not used to the hardships of life in Yan'an after they joined the revolution.

Gu Deqin and Li Yun, the founders of Changling Refinery and Chemicals, are the Red Army and the Red Army, respectively, and they are rich in red resources.

Changling Refinery's major inspection and modification are mainly to meet the increasingly stringent requirements of safety, environmental protection, and quality upgrades.

During the critical period of overhauling the internal structure of the 8 million tons of atmospheric and vacuum equipment, despite the small space in the tower, complex internal structure, and poor air quality, Zhang Xiaoguo, secretary of the district branch, entered the tower several times and negotiated the removal plan with the construction team leader , And successfully dealt with multiple homework problems.

(Zhang Yong)