Dong Yang Ventilation Co., LTD as known as Ventland was found in 1980 in Seoul, South Korea. Shanghai Ventland Co., LTD, which is one of subsidiary company of Dong Yang Ventilation, was found in 2000 Shanghai, China. Ventland is South Korea based HVAC Manufacturing Company however Shanghai Ventland assists clients on over-sea operation and production procedures. During the last 30 years, Ventland Co., LTD. has become one of the largest manufacturer and distributor of air handling, air distribution, and ventilation products in Korea and Shanghai. Ventland Co., LTD's wide ranges of products are extended with quality, brand name products, and innovating technology supplemented with 30 years of unique know-how and excellent customer service. A further strength of Ventland Co., LTD is our ability to design and manufacture quality customized products. Ventland's quality management system is based on the Ventland's mission and values. In all of our operations, we continuously seek opportunities to help our customers to improve the profitability of their business with indoor climate technology. Ventland quality management complies with ISO 9001, and most of Ventland products have been certified as compliant with the standard. In addition, Ventland is committed to minimizing the environmental impact of our activities and to continuously seeking improve in the environmental performance according to the ISO 14001 standard