GUIYANG, July 2 (Xinhua) -- Yuan Jian, 27, graduated from the Ministry of Education's Key Laboratory of Advanced Manufacturing Technology at Guizhou University in southwest China's Guizhou Province this year. Yuan established his own pen brand in 2020. Yuan's team has created over 20 different types of pens after years of research and development. Yuan and his team hope to establish an international pen brand in the future.