Focusing on welding gas mixtures in the 1990s, it served gas companies all over Turkey in a leading position in this field for many years... About Us High Purity Gases. We serve Helium, Argon, Nitrogen, Hydrogen, Dry Air, Carbon Dioxide, Oxygen and similar gases with 5.0, 5.5 and 6.0 Grade purity, pressurized cylinders and liquid containers ...Web