From September20 to September 24, 2011, the Ninth National Continuous Casting conference was held in Zhuhai by Chinese Society for Metals Continuous Casting branch. President Xu Jilong, Vice President Yu Xiaoping, Deng Lerui of Technology Center etc. in Allied Rongda Enterprises Group attended the meeting. Rongda company launches carbon-free eco-friendly converter large-area fettling materials, converter shotcrete materials, tundish air curtain wall and other new products, which receives general concern by the participants.