The management of Jahan Ferez Ahmad Mahmoudi Company entered the field of industry in 1340 while studying and in 1345 the first gear was made by him with a hop machine. And in 1347, he started cooperating with large companies such as Tehran Cement, General Tayer and Vahed Company, etc. Jahan Farz Company with a combination of technical science and knowledge and more than half a century of experience in the gear and gearbox manufacturing industry in the field of heavy and light industries such as petrochemicals, steel, cement oil, road construction, power plants, etc. It also benefits from foreign consulting engineers, including Germany and Russia, in order to improve the quality and standardization of gearboxes and gearboxes and the transfer of technical knowledge, technology and industrial machinery.