双欣环保主板IPO注册生效

Group 1 - The core viewpoint of the article is that Inner Mongolia Shuangxin Environmental Protection Materials Co., Ltd. has successfully registered its IPO on the Shenzhen Stock Exchange, marking a significant milestone for the company [1] - The company specializes in the research, production, and sales of products along the polyvinyl alcohol (PVA) industry chain, including PVA, special fibers, vinyl acetate (VAC), and calcium carbide [1] - The IPO process began on February 28, 2023, with the company entering the inquiry stage on March 25, 2023, and receiving approval on October 24, 2025, before submitting the registration on October 27, 2025 [1] Group 2 - The company aims to raise approximately 1.865 billion yuan through this IPO [2]