The 26th International Oil, Gas, Refining, & Petrochemical Exhibition was held on May 13th -16th at Tehran International Permanent Fairground. Aiming at gaining independence and self-sufficiency for the country, Koosha Turbo Compressor Sepahan Company displayed part of its high-tech achievements such as Siemens SGT600 combustion chamber and was parised and admired by many local & foreign audience.