The novel polyimide micro-nano composite film side plate independently developed by Zhejiang Guanhua Electric Co., Ltd. has been recognized as a 2025 provincial-level new industrial product of Zhejiang Province (Project Approval No.: 202412A07741) and has successfully passed the acceptance review by provincial experts.

The product adopts polyimide nano-material modification, nano-composite film coating, and corrugated buffer coating processes, achieving breakthroughs in high strength, high temperature resistance, excellent insulation, and corrosion resistance. With significant process innovation, its technology reaches the leading level among similar domestic products and has been granted one invention patent.

Tested by authoritative institutions, all product indicators meet the standards and project requirements, with positive feedback from users.

The company has obtained IATF16949, ISO14001, and GB/T28001 management system certifications, possesses stable mass production capabilities, and achieves significant economic and social benefits, providing high-performance solutions for high-end power battery side plates.