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JAM PETRO SAZEH ENGINEERING FACTORIES GROUP including two subsidiary companies (ZARNIAKOO CO. AND ZARRIN SOULEH ENGINEERING CO.) has been known as one of the largest steel structure manufacturer and designer factories for Oil, Gas and Petrochemical industries and high towers and hopes to play a significant role in the development of Iran by relying on the blessing of Almighty God and the technical and scientific support of its powerful staff.



To achieve a stable development for Iranian youth’s employment, JAM PETRO SAZEH CO. has been established in a plot of land with an area of 3,000 square meters which is composed of three production saloons with an area of 7,000 square meters and equipped with a fully advanced and mechanized H-BEAM production line. This complex is capable of designing and producing 1400 tons of special steel structures monthly by exploiting an active and specialized staff of 150.


To achieve independent and developed Iran, ZARRIN SOULEH ENGINEERING CO. has been active in a plot of land with an area of 1,200 square meters including three production saloons and 1000 - square - meter office space since 1996 after the superb Islamic revolution of Iran and it has exploited a skilled and committed staff of 120. The punctual and proper performance of its obligations, the utilization of modern facilities and equipment and also variety and innovation in manufacturing steel structures caused this company to be regarded by the public and governmental and private organizations and its letters of appreciation attest to this claim well.


To acquire modern technologies and transfer engineering services to the newly - independent neighboring countries, the managers of PETRO SAZEH ENGINEERING GROUP set up ZARNIAKOO INDUSTRIAL GROUP in a complex with an area of 1,300 square meters which is composed of five production saloons with an area of 7,000 square meters and 1500 - square - meter office space and gets involved in manufacturing all kinds of steel structures by exploiting the latest equipment of this industry and replying on the experience and specialty of a well – versed staff of 160.


To upgrade technically and qualitatively and expedite the delivery process of object of contract, JAM PETRO SAZEH ENGINEERING CO. has supplied and set up the machinery of the H - BEAM mechanized lines in accordance with the world’s up-to-date technologies. These fully - advanced lines can produce steel and special structures in compliance with the latest standards of the world in the shortest possible time.

H-Beam Steel Structure Production Line

CNC Cutting Machine

This machine has various automatic cutting peaks and can be programmed for worktables 4 m x 15 m. It can cut all sheets ranging from 5 to 100 millimeters.

H-Beam Auto Assembling Machine

This machine automatically assembles H and I beams and sheets ranging from 200 to 1800 millimeters in height.

Welding Machine

H – BEAM line consists of four submerged arc welding machines that have been designed for welding on H and I sections following the assembly stages. Each machine has a moveable gate with a submerged arc welding unit and a piece holder. It features a welding tracer and collector and holder equipment for welding powder.

Hydraulic Straightening

This machine is used for the wave isolation process of pieces with I and H sections to 60 mm thickness.

3D Drilling Machine

This machine can drill H sections and box on three axes simultaneously at one stage.


This machine throws steel beads and grit toward structure with pressure by 8 special nozzles and the shot - blasting (decolorization) and surface preparation operations are carried out for painting in accordance with ASA1, SAS 2 and SAS3.