In May,2004 the Qingdao China Tube Plant was established which is invested by Korea Dong Ah with 15millions U.S dollars,
it is specialized in producing various sizes top quality butyl inner tubes.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 butyl Inner tubes include car tire tubes, truck tire tubes, Agricultural tires tubes,Farm Tires tubes, Industrial Tire tubes, OTR Tire tubes etc.,
