Group 1 - The core viewpoint of the article is that Duoning Biotechnology Co., Ltd. has submitted its listing application to the Hong Kong Stock Exchange, indicating its intention to go public [1] - Duoning Biotechnology was established in 2005 and is a one-stop provider of bioprocessing solutions, focusing on comprehensive solutions for biopharmaceutical products from research and development to commercial production, including reagents, consumables, instruments, and services [1] - The company previously submitted a prospectus to the Hong Kong Stock Exchange on September 26, 2022, aiming to list on the main board in Hong Kong [1]