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• SAFA Industrial Group

• Khozestan Oxin Steel Co.

• Kosar Sanat Spadan Pipeline Factory

• Iran Spiral Industrial Group
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• Qom Gha-em Pipeline Factories

• Luleh Gostar of Esfaraien Pipe manufacturing Co.
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• Pasargad Pipe manufacturing Co.
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• Neka Machine Steel Co.
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• Razi Metallurgy Research Center.
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• Asia Nama CNG Cylinder Manufacturer Co.
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• Irainian Alloy Steel Co.

• • National Steel Group of Iran

• Salafchegan Pipe and Coating Factory

• Esfahan Fecalimeter Company

• Espadan Consulting Industry Company

• Mahshahr Pipe Mill Co.

• Shahid Sattari University of Tehran

• Tehran University of Science & Technology

• ALUMTEK CORP

• Pars Polymer Company