Group 1 - The company, Jinbo Co., has developed carbon paper and gas diffusion layer materials for fuel cells, leveraging its technological expertise in carbon-based materials [1] - The technical performance of these products has reached an internationally leading level, indicating strong competitive capabilities [1] - The products have been validated and delivered in bulk to several leading domestic membrane electrode, stack, and electrolyzer manufacturers, establishing the company as a designated supplier for a well-known hydrogen fuel cell system manufacturer [1]