A specialized seminar on acquainting , selecting, installing and operating valves and fittings was held on October 8, 2019 at the Agricultural- Jahad Organization of Golestan Province. The managers and experts of the Jahad Agricultural Organization, contractors and consultants active in the organization attended  this seminar . The seminar ended with the focus on improving the level of technical knowledge as well as familiarity of managers and related experts with the production process and materials used in leading companies in the industry.