Gem Bids For I-Beam 270 X 18 Web + 248 X 32 Flange Beam To Beprovided In Length Of 8.5-9 Mtrs, I-Beam 200 X 5.7 Web +100 X 10.8 Flange For Engines, I-Beam 200 X 5.7 Web +100 X 10.8 Flange For Box Cooler, I-Beam 200 X 5.7 Web+ 100 X 10.8 Flange For Self Emptying Line