The second congress of energy consumption purification with UPVC door and windows was held in Tabriz

According to Hofmann public relation on Thursday 28 June 2016, the second congress of energy consumption purification with UPVC door and windows was held with the presence of national and provincial executives, representatives of East Azerbaijan in parliament, scientists and university professors, engineers member of the engineer council, and a large number of activists of the building industry in petrochemical conference hall.

[…]