As an indispensable functional part in the complete vehicle supporting system, this stainless steel air conditioning drain pipe focuses on air conditioner drainage and body rainwater diversion for urban rail vehicles. Adopting advanced cold bending technology and precise welding machining, it delivers balanced structural strength and excellent deformation resistance.   We specialize in the R&D and customization of special shaped pipes and profiles. Optimized structural design perfectly adapts to the sealed space of door frame assembly and the installation environment of side beam, effectively avoiding pipeline interference. The integrated drain pipe system and protective grille ensure smooth water circulation and block external sundries, greatly reducing pipeline blockage and daily maintenance trouble.   Designed in line with vehicle lightweight standards, this product reduces overall vehicle weight without sacrificing structural stability. The fatigue-resistant structure and high-…

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