On September 25th, Chen Derong, Secretary of the Party Committee and Chairman of Baowu of China, visited Zhanjiang Iron and Steel to investigate and pointed out: Zhanjiang Iron and Steel should be the leading three powers, based on the principle of "metallurgical principle + scientific management", and strive to establish a super large scale above 5000 cubic meters. The new industry benchmark for blast furnace utilization factor. On September 28th, Liu Daide, Secretary of the Party Committee and Chairman of Zhanjiang Iron and Steel, deployed high utilization factor research, reviewed and guided the research plan, and clearly proposed that the utilization factor 2.5t/(m³·d) should be tackled in the No. 2 blast furnace, and strive to reach the standard in October , Launched the "2585" Charge in the iron and steel area.