正海生物：公司处于研发阶段的人脐带间充质干细胞项目，目前已处于产品工艺验证阶段

Core Viewpoint - Zhenghai Biological (300653) announced on September 17 that its human umbilical cord mesenchymal stem cell project is currently in the product process validation stage, which will enhance the company's product layout in the field of intrauterine soft tissue repair and enrich its reserves in regenerative medicine [1] Group 1 - The company is in the research and development phase of its human umbilical cord mesenchymal stem cell project [1] - The project aims to supplement the company's product offerings in the intrauterine soft tissue repair sector [1] - The company will strictly fulfill its information disclosure obligations as the project progresses and achieves relevant milestone advancements [1]