June 9^th witnessed a successful hot test run for De-S system of carbon-steel steelmaking process optimization project contracted by CISDI on EPC basis for Jiuquan Iron & Steel Co., China.

This De-S system imported compound injection technology and partial equipments from abroad, with compact and rational layout, reliable injection system, good dedusting effect and equipments running steadily, that laying a solid foundation for the further ramping-up. For now, the process and equipments are achieving first-class level in China.