Chengdu,China Oct.,2024 International Symposium on Refractories (ISR) is a serial international symposium and has been held successfully for eight sessions:the 1st(ISR1988) in Hangzhou,the 2nd(ISR1992) in Beijing,the 3rd(ISR1998) in Beijing,the 4th(ISR2003) in Dalian,the 5th(ISR2007) in Beijing,the 6th(ISR2012) in Zhengzhou,the7th(ISR2016) in Xi’an,and the 8th(ISR2021) in Wuhan.The ninth International Symposium on Refractories (ISR2024) will be held in Chengdu,China in Oct.,2024.