Group 1 - The core point of the article is that Jiemai Technology's subsidiary, Zhejiang Rouzhen Technology Co., Ltd., has acquired 100% of Jiangxi Hongmei New Energy Technology Co., Ltd. through a cash transaction, enhancing its capabilities in polymer metal composite membrane materials [1][4] - The acquisition involves purchasing 72% of Jiangxi Hongmei's shares from Zhejiang Yuanlong Equity Investment Management Group Co., Ltd. and 28% from Anji Hongmei Venture Capital Partnership [1] - Following the acquisition, Jiangxi Hongmei has changed its name to Jiangxi Rouzhen Technology Co., Ltd. and expanded its business scope to include high-performance fiber and composite materials manufacturing, which were previously unaddressed areas [4] Group 2 - Jiangxi Rouzhen was established in November 2022 with a registered capital of 50 million yuan and focuses on the research and production of flexible composite materials and thermal management materials [2] - The main products of Jiangxi Rouzhen include tin-plated copper foil, PI tin-plated copper, PET copper-plated, PET titanium-plated, and aluminum copper-plated materials, which are primarily used in photovoltaic, new energy, and 6G electronic information industries [2]