1.Design and manufcturing Expansion Joints. Special machines for producing of this part has designed by this company in iran for first time. Due to need special controls during production and design issues, this company made this special machine design with new design by considering the different needs of process control during manufacturing. Today Tarrahi Machine Esfahan is one of the main and best manufacturers of any expansion joints for steel industries, cement industries, etc... 2.Manufacturing and installation of Reclaimer machine for Esfahan's Mobarakeh Steel Company. Manufacturing of this machine, including implementation of main structures and installation in approximate weight of 320 tons and by supervision of steel industries and engineering companies experts was performed and this is working in Esfahan's Mobarakeh Steel company. 3.Design and manufacturing equipment and various parts of Esfahan's Mobarakeh Steel Company. Tarrahi Machine Esfahan's one of the activities is design and manufacturing equipment and parts for Esfahan's Mobarakeh Steel Company. Even now Tarrahi Machine Esfahan is one of the supplier of equipment and machines for Esfahan's Mobarakeh Steel Company. 4.Design and manufacturing equipment and various parts of Esfahan Steel Company. Considering the large variety of parts required in Esfahan Steel Company, Tarrahi Machine Esfahan manufactures various parts that used in different lines of Esfahan Steel Company and in some cases provides plan for Esfahan Steel Company. 5.Design, production and installation of 30 tons Centrifugal casting achinery for Iran Ghaltak Company. Stages of design, manufacturing, installation and commissioning of this machine was performed in 2001 for Iran Ghaltak Company order. This machine is used for produce heavy rollers for steel industry and without any similar model and for the first time in the country has been made successfully. Design and construction of some of horizontal casting machines for Iran Ghaltak Company has performed to. 6.Design and manufacturing of automatic glass pressing machines. This machine is used in glass industries. In this machine hydraulic systems, electrical and mechanical mechanisms have been used. 7.Heavy roller and long shaft machining Machining operations, stone-cutting, by ISO and DIN Standards.