Pejvak Ava Company was established in 1376 with the aim of researching, designing and producing audiometric equipment. The dynamism in research and development and the use of creativity in design and having high technical knowledge have made the activity of this company exclusive in Iran; So that after receiving numerous innovation certificates from the Scientific and Industrial Research Organization of Iran, from the Ministry of Industry, Mining and Trade, as well as the Presidential Vice President for Science and Technology, this company was recognized as a “High Tech knowledge-based company in the field of audiometry”. …