IPO周报：3家企业IPO即将上会

Group 1 - Three companies are scheduled for IPO meetings this week from August 11 to August 15, with one on the Sci-Tech Innovation Board and two on the Beijing Stock Exchange [1][2] - Xi'an Yicai plans to raise the most funds, with an expected amount of 4.9 billion yuan, aimed at the second phase of the Xi'an Yisiwei silicon industry base project [1][3] - The other two companies, Kema Materials and Dapeng Industrial, plan to raise 206 million yuan and 154 million yuan, respectively [1][3] Group 2 - Xi'an Yicai focuses on the research, production, and sales of 12-inch silicon wafers [2] - Kema Materials specializes in the research, production, and sales of dry clutch friction plates and wet paper-based friction plates, and is committed to developing new friction materials [3] - Dapeng Industrial is engaged in the research, design, production, and sales of precision industrial cleaning products [3]