CISDI’s first sinter fume desulfurizing project on EPC basis- fume desulfurizing for #6 & #7 sinter project of Shuicheng Steel(Shougang Group) fulfilled the first hot commissioning at desulfurising system of #7 sinter on April 30th 2011.This hot commissioning witnesses a stable operation and excellent performance of the system, and proves the system is well prepared for trial production. The following days CISDI shall gradually improve the desulfurising efficiency and reduce emission concentration to meet the standard level. On the other hand, the piping installation of desulfurizing tower and equipment of #6 sinter has been completed.