Haifeng Yu, Director of Stainless Steel Technology Center of Baosteel Central Research Institute.  Mr Yu graduated from Shanghai University in January 2005 with a doctorate in material science. He worked in the postdoctoral workstation of stainless steel technology center of Baosteel Group for two years. He joined Baosteel in February 2007 and has long been engaged in R&D of stainless steel and technical management.

余海峰，宝钢股份中央研究院不锈钢技术中心主任，2005年01月毕业于上海大学，获材料学博士学位，在宝钢集团博士后工作站工作两年，从事不锈钢技术研究。2007年02月进入宝钢工作，长期从事不锈钢产品研发与技术管理工作。