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Nima azmoon foolad. (N.S.T co)
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Bamin tech co.
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Iranian welding research & engineering center
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Niroo trading & engineering co. (satkab)
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Behboud sanat mehregan engineering services co.
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K.I.D.S
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Parto dezh
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Behineh kavosh sanaat (b.k.s) consulting eng & inspection co.
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Karkia co.
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Partogaran kimia sanat co.
