Supply Of Metallic Expansion Bellow For Coal Mill Hot / Cold Air Duct For Boiler Unit#1, 2&3 At Wanakbori Tps.- Metalic Expansion Bellow ( 2Fold X 3Fold ) Of Hot Air Duct Of Coal Mill Xrp-783, Size:1180Mm X 1150Mm, Metalic Expansion Bellow ( 2Fold X 3Fold ) Of Hot Air Duct Of Coal Mill Xrp-783, Size:1140Mm X 800Mm, Metalic Expansion Bellow ( 2Fold X 3Fold ) Of Cold Air Duct Of Coal Mill Xrp-783, Size:800Mm X 1120Mm