IPO周报：科创板第五套标准重启后首单获受理，泰诺麦博拟融资15亿

Group 1 - Two companies received IPO approvals during the week, while one company, Chengdu Ruisi Environmental Technology Co., Ltd., terminated its review process on July 25 [1][2] - Zhuhai Tainuo Maibo Pharmaceutical Co., Ltd. is the first company to have its IPO application accepted under the fifth set of listing standards for the Sci-Tech Innovation Board, aiming to raise 1.5 billion yuan [1] - Tainuo Maibo reported revenues of 4.34 million yuan in 2022, with losses of 429 million yuan, 446 million yuan, 515 million yuan, and 177 million yuan in the same period [1] Group 2 - High Ling Chen Jun, a private equity fund manager, holds a 3.94% stake in Tainuo Maibo, having invested in the company before its IPO application [2] - Delijia Transmission Technology (Jiangsu) Co., Ltd. and Changjiang Sanxing Energy Technology Co., Ltd. also received IPO approvals, with the former's application taking seven months from acceptance to approval [2] - Ruisi Environmental's main revenue source, the denitration reducing agent preparation system, accounted for over 71% of its main business income in recent years, indicating potential market expansion risks [3]