徐勇智 ,男 ,冶炼高级工程师 ,1 989年毕业于昆明工学院冶金系有色金属冶金专业。徐勇智同志根据云锡公司炼锡过程中产出大量的含砷物料对环境造成污染及砷产品在国民经济中的广泛用途这一实际情况 ,开展了高纯砷新材料系列产品的研究工作。通过多年艰苦的工作 ,取得了一批重要 Xu Yongzhi, male, senior engineer of metallurgy, graduated from metallurgical department of Kunming Institute of Technology in 1989 with a major in metallurgy. According to the fact that a large amount of arsenic-bearing materials are produced during the process of smelting tin from the tin-tin company and the widespread use of arsenic products in the national economy, Comrade Xu Yongzhi launched a series of research work on new series of high-purity arsenic materials. After years of hard work, a number of important achievements have been made