established in 2000 , Zanjan Sadaf Gostar insulator Company a Subsidiary to the Iran Transfo Industrial Group . is one of the Leading Manufacturers of Porcelain Insulators in the Country .
Aiming at Localizing and creating competitive advantages , this company for the first time in the country has succeeded in designing and producing wide range of transformer equipment in accordance national and international Standards with the ability to produce customer order according to their desired standards .
Certified by ISO 9001 : 2015 from TUV Austria the company has also been manufacturing Bushing type current transformers (BCT) since 2010 as well as establishing the production line of some transformer accessories including De-Energized tap changer (DETC) , Non-Return Valve , C.T terminal box , Magnetic oil level indicator and various types of Butterfly valve .