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 METALLURGY & MATERIAL ENGINEERING  CORROSION
CATHODIC PROTECTION
COATING & INSULATION
INHIBITOR
INSPECTION
SANDBLAST
ASIA ROCK & SLAG WOOL (RASOUL ESMAILIAN)
ARMIN INDUSTRIES (RAMIN REZANEZHAD)
ARIA ROCK WOOL (EBRAHIM SALEHI)
ARASH RANG MANUFACTURING (ABDOL-HAMID MOTEBAHERRINEJAD)
TIB CHEMICALS AG ()
SUZHOU CHERAY DASHENG POLYMER TECHNOLOGY ()
SHANXI ELADE NEW MATERIAL TECHNOLOGY (ZENG XIAOQIAN)
PETROTABAN ENG.TRADING (PARVIZ LOTFI)
KLEVERS-ITALIANA (HANI NAMAKI)
KASRA INDUSTRIAL LINING & COATING CONSULTANT (RAMIN IMANI)
IODS LTD-PIPECLAD DIVISION ()
ELECTRONIC PIPELINE TECHNOLOGY LTD ()
TAVOONI TOULIDI FARAVARDEHAYE FOOLADI ()
PAYA SAYANDEH ()
PARS SHEN PASH ()
MESSBAREH ()
SILIS HAMEDAN ( KHOUSHNOOD)
KALA BAR AVARAN ()
ETIC TEJARAT SANATI FONON SHARGH ( MEHRNOOSH SHAHBAZI)
ZANG AZMOON ()
TAJ TAR SAMAN ()
SINA POLYMER PART ()
SHIMIAEI TASFYEH ()
SAROOJ BEN PI ()

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