Damandeh manufacture (PJS) managed by Mr. Ahmad Bostanchi started his activity as a real people in 1967 and has been registered as a legal people in 1984. The manufacture has a variety of product in more than 130 types of ventilation, electro motors, heating and cooling fan. We can easily claim that we are one of the leaders in this field and all our out puts manufacture under the supervision of experienced expertise with the standard approval mark from the Iran industrial research and standard institute at force.