May 19, 2020 kavehglass Exhibitions Ambiente Expo, Frankfurt, Germany, Feb. 7-11th 2020 CHINA GLASS Exhibition, Beijing, China, May 22-25th 2019 IRAN GLASS SHOW, Tehran, Iran, Feb. 12-15th 2019 DO-WIN TECH, Tehran, Iran, Jan. 23-26th 2019 Glasstec, Dusseldorf, Germany, Oct. 23-26th 2018 Ambiente Expo, Frankfurt, Germany, Feb. 9-13th 2018 International Exhibition of Building and Construction Industry, Tehran, Iran, Aug. 6-9th 2017