闰土股份：接受国海证券等调研

Group 1 - RunTu Co., Ltd. (SZ 002440) announced a research meeting scheduled for September 26, 2025, where the company's Vice General Manager and Board Secretary will participate in answering investor questions [1] - For the first half of 2025, RunTu's revenue composition shows that specialized chemicals account for 92.52% of total revenue, while other businesses contribute 7.48% [1]