The construction and equipment installations of the High Density Polyethylene Production Unit, the Power Generation Plant and the Waste Treatment Plant Unit at  Petkim’s Petro-Chemical plant in Izmir, Aliaga were undertaken by KORAY. Contracted work in the Power Generation Plant was limited to the construction of the building. The major part of contracted work in the other two units consisted of structural steel construction and installation of a complex network of steel pipes, pressure tanks and underground piping.