REFINERY BUILDING & STORAGE TANKS FARM FOR HABIB OIL MILLS (PVT) LTD., S.I.T.E., KARACHI REFINERY BUILDING, OIL STORAGE TANKS AND VARIOUS STEEL STRUCTURES FOR EVIAN FATS & OILS (PVT) LTD., BIN QASIM INDUSTRIAL AREA, KARACHI SHUJABAD REFINERY COMPLEX NORTH-WESTERN INDUSTRIAL ZONE, PORT QASIM AUTHORITY, KARACHI