OSSA member Er Machine Gear, the leader in the field of precision gear systems which provides products and services to the Turkish Defense Industry and Aviation sector and Anova which provides services in the same sectors with the same sectors in the field of advanced engineering signed a cooperation agreement which is a goodwill agreement aiming to establish a business cooperation in the design, development and production of gear systems in aviation vehicles. It was signed on the second day of the Eurasia Air Show 2018. This agreement was signed by Dursun Öner and ER Machine General Manager Fatih Erdoğan from Anova company partners.