Group 1: Company Listings - Qiangyi Co., Ltd. listed on the Shanghai Stock Exchange's Sci-Tech Innovation Board with a stock code of 688809, at an issuance price of 85.09 yuan per share and a price-to-earnings (P/E) ratio of 48.55 [2] - Yufan Technology Co., Ltd. listed on the Shenzhen Stock Exchange's main board with a stock code of 001396, at an issuance price of 22.29 yuan per share and a P/E ratio of 19.77 [3] - Shuangxin Environmental Protection Co., Ltd. listed on the Shenzhen Stock Exchange's main board with a stock code of 001369, at an issuance price of 6.85 yuan per share and a P/E ratio of 16.19 [4] Group 2: Company Profiles - Qiangyi Co., Ltd. focuses on semiconductor design and manufacturing, specializing in the research, design, production, and sales of probe cards for wafer testing [2] - Yufan Technology Co., Ltd. is engaged in smart diagnostics and health assessments of drainage pipeline systems, as well as damage remediation and operational maintenance [3] - Shuangxin Environmental Protection Co., Ltd. develops, produces, and sells products along the polyvinyl alcohol (PVA) industry chain, including PVA, specialty fibers, and calcium carbide [5]
12月30日新股提示：强一股份等今日上市