On June 11th, the comprehensive performance assessment conference of major innovation projects of Shandong Province was successfully held in the head office of SEPCO1. Research and application of performance improvement technology of rotary air preheater based on intelligent control methods, the first provincial-level science and technology major project undertaken by SEPCO1, has passed the acceptance successfully. The comprehensive performance assessment grade is Excellent, which once again shows the excellent scientific research strength of SEPCO1 and marks a solid step on the road of innovation-driven high-quality development.