Danterry Door & Hardware obtains the Patent for Balanced Door in Taiwan

Danterry gets the invention patent on Balaned Door valid in Republic of China areas. The balanced machenism distributes the door weight and wind pressure to make an efficient and smooth door swing, and remains a smooth operation with an door of over 4 meter high and 350 kg.
 
More product info : https://www.danterrydh.com/products_detail/Balanced-Door