The presence of the esteemed representatives of the South Pars Dava-16th Refinery

The presence of the esteemed representatives of the 12th South Pars Refinery 

The presence of the
 esteemed representatives
 of the 12th South Pars
 Refinery in the factory
 and a visit to the 
Rising Stem Ball valve 
production line
 
 
 
 
 
 

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