九鼎新材：关于全资子公司完成工商注册登记的公告

Group 1 - The core point of the article is that Jiuding New Materials announced the establishment of a wholly-owned subsidiary, Jiangsu Jiuding Wind Power Composite Materials Co., Ltd., which has completed its business registration and obtained a business license from the Rugao City Data Bureau [1] Group 2 - The subsidiary is planned to be established by September 23, 2025, indicating a strategic move into the wind power composite materials sector [1]