On November 29, 2014, nearly 40 experts from China Metallurgical Group, Baosteel, Shougang, Angang, Masteel and other large rotary cellar pelletizing plants, and professors from Central South University gathered at Taifu Special material to participate in the North Engineering and Technology Research Institute of China Metallurgical Co., Ltd. Taifu special material to host the large-scale cellar ball production technology seminar.