bids are invited for expansion bellows, drg. no. 0159019-15.030 expansion bellows,drg. no.0159019-15.030 aluminum expansion bellows for electrical busducts (bhel), industrial safety gloves - leather and cotton, thermostatic expansion valve, neoprene rubber bellow (bhel), carton box to drg no p-144(f) in finished condition, prefab hut house of size 6.10 m x 19.52 m (as per gem drawing), expansion joints (pipe fitting), measuring tape, industrial bellows-seal wedge gate valves-is:11733, servo control drive - servo motor operated lvc as per is 9815 (part 1) relevant aluminum expansion bellows for electrical busducts (bhel) total quantity : 2