Group 1 - Xi'an Yiswei Material Technology Co., Ltd. (referred to as "Xi'an Yicai") completed its initial public offering and listing on the Shanghai Stock Exchange's Sci-Tech Innovation Board on October 28, 2025, with stock code 688783.SH [1] - KPMG acted as the reporting accountant for Xi'an Yicai's listing project, providing professional services [1] Group 2 - Xi'an Yicai is a provider of 12-inch electronic-grade silicon wafer products and services, primarily engaged in the research, development, manufacturing, and sales of 12-inch silicon single crystal polished wafers and epitaxial wafers [3] - The products are widely used in storage chips, logic chips, image sensors, display driver chips, and power devices required in fields such as electronic communications and new energy vehicles [3]
西安奕材完成科创板上市，毕马威作为其申报会计师提供专业服务