ABOUT DONGAHKorea Dong Ah Plant is founded in 1971,It's the larges inner tube supplier in Koreacelebrates its over 50 years of excellence in the export field of automotive products.China Dong Ah Tube Plant which is invested by Korea Dong Ah established in 2004.It is specialized in producing various sizes top quality butyl inner tubes and flaps.Vietnam Dong Ah Tube Plant which is invested by Korea Dong Ah established in 2023.It is specialized in producing various sizes top quality butyl inner tubes.In these tube plants,the whole equipments imported with original,advanced product lines,advanced testing equipments,advanced techniques,advanced management and strict control on quality all reached the international advanced level,they bring the top quality on the air tightness,tear resistance,aging and heat resistance of the products.Dong ah tubes are exported to more than 150 countries and matched to many famous tire factories.Dong Ah tube is well known with top quality and good service in the world.