GREN Automation Solution is a sister concern company of Shamol group, based in Chattogram, Bangladesh, specializing in electrical equipment, spare, panels and industrial automation solution. The company has a authorization from Schneider Electric Bangladesh  & authorized reseller of ABB, from the very begining of company birth GREN automation solution hold its reputation and sucess rate top of the notch. The company operate from Finaly house in the Agrabad area of the Chattogram city.