Dong Yang Ventilation is established in February of 1980 as a manufacturer specialized in producing ventilators for past 35 years. We produce over 100 type of ventilators based on our foremost expertise as an oldest ventilator manufacturer in South Korea.  Under the Principle of Innovation, Standard, and Services, Dong Yang Ventilation is determined to deliver our customers complete satisfaction through eco-friendly and innovative products. We promise our customers that we will continuously deliver reliability and 'customer first' service through innovative products.