According to the query of the official website of the Lightning News, Shandong Youyan is a central enterprise project introduced in Dezhou in 2018, as a leading enterprise of semiconductor material production in the new generation of information technology industry chain in Dezhou City. Ltd. (hereinafter referred to as "Yiran Yijin") was founded in 2000, is the Beijing General Research Institute of Nonferrous Metals holding listed company Yiran New Materials Co. The scope of business includes research and development of new material technology; research and development of specialized electronic materials; manufacturing of specialized electronic materials, and so on.