百川股份：截至本公告日，母子孙公司之间担保实际发生的总余额约为54.03亿元

Group 1 - The company Baichuan Co., Ltd. announced on August 28 that the total balance of guarantees provided within the consolidated scope of the company is approximately 5.403 billion yuan, which accounts for 272.74% of the company's most recent audited net assets [1] - The announcement highlights the significant level of inter-company guarantees among the parent, subsidiary, and grandchild companies [1] Group 2 - The news also mentions a breakthrough in medical science with the world's first successful transplantation of gene-edited pig lungs into a human, raising questions about the timeline for clinical applications [1] - The dialogue with key participants in this medical advancement indicates ongoing research and potential future developments in the field of gene editing and organ transplantation [1]