Innovative structural design of heated exhaust and drainage valves eliminates critical failure modes and achieves ultra-high reliability. The design involves precision dynamic sealing isolation technology and the application of high reliability materials, which is a major breakthrough in solving common industry problems. Efficient integration of PTC heating technology ensures reliable operation in all weather conditions. This project has been widely applied and verified on mainstream fuel cell vehicle models, greatly improving the applicability and market competitiveness of fuel cell vehicles in cold northern regions, and promoting industry regional expansion. 100% localization, breaking the dependence on imports.