In the hydrogen energy industry, membrane materials like PPS diaphragms and PSF membranes are pivotal components in electrolyzers. PPS diaphragms, known for their alkali resistance, are widely used in alkaline electrolyzers, with Toray leading the market. Challenges in PPS diaphragm production include safety, energy efficiency, and meeting the increasing demand. On the other hand, PSF membranes in PEM electrolyzers play a key role in achieving higher energy efficiency, with Dongyue Future dominating the domestic market. The continuous evolution of PEM electrolyzer technology and cost reductions indicate a growing market for PSF membranes. The development of new materials, driven by Ministry policies, brings additional opportunities to the hydrogen industry. Overall, both PPS diaphragms and PSF membranes are poised to play vital roles in the industry's future, with the potential for further advancements and market growth.