Group 1: Company Listings - Double Xin Environmental Protection (001369) and Yufan Technology (001396) were listed on the Shenzhen Stock Exchange, while Qiangyi Co., Ltd. (688809) was listed on the Shanghai Stock Exchange [1] Group 2: Double Xin Environmental Protection (001369) - Double Xin Environmental Protection specializes in the research, production, and sales of products in the PVA industry chain, including polyvinyl alcohol (PVA), special fibers, and calcium carbide [2] - The company raised a total of RMB 196,595.00 million, with a net amount of RMB 179,982.55 million after deducting issuance costs, to fund various projects including the production of PVB resin and functional films, water-based adhesives, and energy-saving technology upgrades [2] Group 3: Yufan Technology (001396) - Yufan Technology provides smart city underground pipeline repair services using advanced technologies such as CCTV and robotics, and is recognized as a national "little giant" enterprise [3] - The company raised a total of RMB 59,581.17 million, with a net amount of RMB 51,537.68 million after deducting issuance costs, to enhance urban pipeline operation and maintenance capabilities and for research and development center construction [3] Group 4: Qiangyi Co., Ltd. (688809) - Qiangyi Co., Ltd. focuses on semiconductor design and manufacturing, specifically in the development and production of probe cards for wafer testing [4] - The company raised a total of RMB 275,605.51 million, with a net amount of RMB 252,646.18 million after deducting issuance costs, to support the development and production of probe cards and the construction of its headquarters and R&D center in Suzhou [4]
今日上市：双欣环保、誉帆科技、强一股份