Khandachi made changes in the carburetor to fix these problems. Also, the cars that came from America had a short chassis, and Kandachi increased the height of the chassis by one meter due to the traffic of the Mack on the rough roads of Iran. Some consider him the savior of the Ministry of Economy against Mohammadreza Pahlavi’s six-month ultimatum to manufacture cars in Iran. When the authorities of the time were looking for the establishment of new factories, including automobile manufacturing, in Homeland. After obtaining the first car production license from the government of the time, Mr. Kandachi founded the Iran Kaveh company to produce Mack. For the first time, the American Mac company is willing to cooperate with Homeland outside of the United States.