Tehran Farafan Gas is well known supplier of specialty gases and related equipment. Our stock with more than 3000 pure gases makes fastest delivery time for various grades, and all the gases are certified by analyzing total impurities , kindly find our stock list in bellow . We produce percentage and calibration low ppm mixtures at our mixing unit. we act as the sole agent for Technical Gas Service Co. which is the manufacturer of special gas mixtures and high purity gases in the Investment....