1. The Solid state electrolyte materials we produce has good chemical stability in various acid and alkali environments, ensuring that it is not easy to degrade after long-term use. 1. Due to the high pollution resistance and mechanical strength of the polymer electrolyte membrane vs proton exchange membrane we produce, the cleaning and maintenance process is easier. 1. The Solid polymer electrolyte we produce can work stably at higher temperatures and adapt to different water treatment process conditions.