Established on November 1st, 2018, Yiyihe Semiconductor Materials Co., Ltd. is located at No. 5000 Longzihu Road, Xinzhan High tech Industrial Development Zone, Hefei City. The company's industries include computer, communication, and other electronic equipment manufacturing. Its business scope includes: general projects: manufacturing of electronic special materials; Sales of electronic specialized materials; Research and development of electronic specialized materials; Manufacturing of specialized chemical products (excluding hazardous chemicals); Manufacturing of specialized equipment for semiconductor devices; Sales of semiconductor device specific equipment; Import and export of goods; Technology import and export; Sales of specialized chemical products (excluding hazardous chemicals); Non ferrous metal rolling processing (excluding licensed businesses, projects that are not prohibited or restricted by laws and regulations can be operated independently in accordance with the law) Licensed projects: hazardous waste management; Import and export of toxic chemicals (for projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses of relevant departments). The current operating status of Yinghe Semiconductor Materials Co., Ltd. is in existence (in operation, open, registered).

Changxin Storage is an integrated memory manufacturing company that focuses on the design, research and development, production, and sales of Dynamic Random Access Memory (DRAM) chips. Established in 2016, Changxin Storage is headquartered in Hefei, Anhui. Currently, 12 inch wafer factories have been built and put into operation in Hefei and Beijing, and it has multiple research and development centers and branch offices both domestically and internationally. The technical team of Changxin Storage has rich experience in technology research and innovation, and has launched multiple commercial DRAM products, widely used in mobile terminals, computers, servers, virtual reality, and the Internet of Things. We will meet the growing market demand with reliable products and services, and strive to become a technologically leading and commercially successful semiconductor storage company, empowering the information society with storage technology and improving human life.

Guangchi Semiconductor Technology (Shanghai) Co., Ltd. was established by Guangchi Technology (Shanghai) Co., Ltd., a subsidiary of Japan's Guangchi Group (stock code: 6235. T (Tokyo Stock Exchange)). It is a company that relies on ALD (Atomic Layer Deposition Coating) and ETChing (Etching) technology, and through continuous technological innovation and market development, achieves coating technology applications and equipment sales in semiconductor or pan semiconductor fields such as optical lenses, micro displays, compound semiconductors, wafer level optics, image sensors, etc. The company was established on September 23, 2021, with a registered capital of 120 million yuan. At the same time, materials application, core device research and development, and talent cultivation are carried out in the Japanese and Finnish bases under Guangchi Group.