SGG Sanaye Garma Gostar company is under license of ERK GERMANY . the company was also the first in Iran to be certified by the ERK EckRohrKessel GmbH boilers performed heat transfer calculations LHV (lower heating value) of natural gas and heavy fuel oil .

SGG Technical Welding is SAW,SMAW,GTAW,GMAW, and Orbital Welding Machine done by the qualified welders and certified operators according to standard .

Our Quality System is certified to ISO 9001: 2000 and listed accordingly .

SGG has designed and built boilers , pressure vessels , heat exchangers and towers in accordance with a number of international codes and specifications . These include EN, ASME, TRD and British Standard Specification .

In 2008 and 2013 we were gold awarded a Safety Quality for boilers by The Institute of Standards and Industrial Research of Iran ( Iranian government ) .

Our Non-Destructive Testing (NDT) Services Department and Laboratory provide comprehensive destructive and
non-destructive services in all disciplines ( Calibration equipments , persons with level II , PT , RT , UT , MT , VT and painting ) .

Full documentation & welding WPS /PQR is done by Q.C personnel .

Certified welding iso 3834 and iso 5817 .

We have a resident Metallurgist, who is on the advisory technical committee for pressure equipment regulations for the department of labour. He is also registered as a “Competent Person” for the inspection of boilers .


  • ERK GERMANY performance acceptance for boiler
  • London Plan Approval Lloyd’s Register EMEA
  • ISO 9001:2000
  • ISO/TS 29001:2003
  • ISO 9001:2015
  • ISO/TS 29001:2010
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