Zhejiang Jiemei Electronic And Technology (SZ:002859) Ge Long Hui·2025-09-17 07:11Core Viewpoint - Jiemai Technology (002859.SZ) highlights the advantages of Ningbo Rouchuang's nanofiber membrane over polyolefin separators, emphasizing its larger pore size, higher porosity, better wettability, and thermal stability, making it suitable as a skeleton membrane for solid-state batteries [1] Group 1: Company Collaboration - Rouchuang Nako has received support from the Ministry of Industry and Information Technology for high-quality manufacturing development and from Ningbo's key R&D program [1] - Rouchuang collaborates with several well-known domestic solid-state battery manufacturers across polymer, oxide, and sulfide systems [1] - Rouchuang and Jiemai Technology produce different components for batteries, indicating a complementary rather than competitive relationship [1] Group 2: Product Applications - Rouchuang focuses on nanofiber membranes, which are essential for solid-state battery applications [1] - Jiemai Technology specializes in new energy battery anode and cathode materials, including composite aluminum foil, composite copper foil, and carbon-coated composite aluminum foil, which are also applicable in solid-state batteries [1] - The products from both companies serve different roles within the battery structure, reinforcing their non-competitive nature [1]