Based on the research project, the paper has studied the fact that safety cost of production of WISCO Ironworks, has founded cost of production index system that is safer than that of WISCO Ironworks, has brought safe cost of production into cost administrative system.

Transformation of D1170- 2.856/0.989 Fan of the Ironworks of Linfen Steel Limited Company for Yield Increase and Energy Conservation;

Through implementing the cleaner production auditing to the blast furnace plant of a Iron&steel union cooperation,this article aggregates the experience and analyzes the problem of the cleaner production auditing for the blast furnace plant,it would accumulate the practical experience for the future cleaner production auditing and the daily management.

Production mode optimization of a steelmaking workshop system;

The steelmaking workshop is an important subsystem of steel manufacturing process system, the complexity of production process and difficulty of process control are the most concentrated expression on the multidimensional mass flow control in steel manufacturing process.