Hungarian Hollohaza manufactory was established in 1777 as glassworks. This situated in Northeastern Hungary manufactory was in 1831 owned by count Mihály Károlyi. He decided to turn it into ceramic manufactory.
Real development of the firm came in 1857. Ferenc Istvany turned it into a real manufacturing facility but it still produced folk style decorated porcelain for simple people. Production was stopped because of the World War I and restarted in 1923.
In 1939 the factory was taken over by Karoly Szakmary. He decided to modernize technically manufactory as well as designs of porcelain products.
In 1948 the factory was nationalized by new communist government. For a few years Hollohazi Porcelain manufactured only industrial porcelain insulators. New artistic pieces appeared only in 1957.
In 1972 was build a completely new factory. Number of employed raised from 300 to over a thousand.
Hollohaza tree mark used 1949 - 1970. there are four branches on each side of the tree,