With the financial support of the authorities, Ahmad Shahrokhi started sampling and manufacturing air conditioning registers from foreign models and was able to launch the production line of air conditioning register within six months. More than sixty years have passed since then, and Shahrokhi Industrial Factory covered a significant share of Iran’s ventilation industry market by establishing production companies related to the ventilation industry. Shahrokhi Industrial Group is a leader in the production of wall registers, ceiling registers, dampers, sound absorbers, channel dampers and louvres, access doors, inspection valves, air curtains and many other products.