Domestic silicon wafer supplier Youyan Silicon Co., Ltd. IPO has conducted tutoring for the record.

On July 27th, according to the Beijing Regulatory Administration, CITIC Securities issued a basic statement on the initial public offering of shares of Youyan Semiconductor Silicon Materials Co., Ltd. and its listing in Science and Technology Innovation Board.

Citic Securities and Youyan Semiconductor Silicon Materials Co., Ltd. (hereinafter referred to as "Youyan Silicon") signed the mentoring Agreement between Youyan Semiconductor Silicon Materials Co., Ltd. on the initial public offering of RMB common shares (A shares) and listing on July 5, 2021.

Data show that Youyan Silicon was established in June 2001, with a registered capital of about 1 billion yuan. Youyan Silicon is a high-tech enterprise, with a number of industry qualifications, such as the National Enterprise Technology Center, the National technological Innovation demonstration Enterprise, the National Semiconductor Materials Engineering Research Center and so on. Youyan Silicon, formerly known as Room 401 of Youyan Technology Group Co., Ltd. (former Beijing Nonferrous Metals Research Institute), has studied silicon materials since the 1950s and has accumulated rich core technology and production experience in silicon material research and development for more than half a century. at the same time, it has trained and brought up a number of scientific and technological innovation and management personnel.

Youyan Silicon is currently mainly engaged in the research, development, production and management of silicon and other semiconductor materials and equipment, providing related technology development, technology transfer and technology consulting services. At present, there are two domestic first-class semiconductor silicon production bases in Dezhou, Shandong and Shunyi, Beijing. the main products include large diameter silicon single crystals and products for integrated circuit etching, silicon single crystals and wafers for integrated circuits, zone fused silicon single crystals and silicon wafers, etc. The company takes the lead in realizing the industrialization of 6-inch and 8-inch silicon wafers in China, and takes the lead in realizing the technological research and development of 12-inch technology, which strongly supports the development of China's integrated circuit industry. at the same time, the products are exported to the United States, Japan, South Korea, Taiwan and other regions, and enjoy good popularity and influence in domestic and foreign markets.

In January 2018, the company completed the reform of mixed ownership. RSTechnologies, the controlling shareholder of the company, is currently the largest semiconductor wafer recycling manufacturer in the world, accounting for more than 30% of the global market share, and is the world's leading supplier of semiconductor materials. Youyan Technology Group Co., Ltd., an important shareholder of the company, was established in 1952. It is a research and development organization with strong comprehensive strength in China's non-ferrous metals industry and a central enterprise under the direct management of the State-owned assets Supervision and Administration Commission.