Supply Of Grade 80 Alloy Steel Endless Chain, And Chain Size 20 Mm Dia. X 4Meters Effective Length, 8Meters Circumferential Length S.W.L. - 12.5 Mtgrade 80 Alloy Steel Endless Chain, And Chain Size 20 Mm Dia. X 4Meters Effective Length, 8Meters Circumferential Length S.W.L. - 12.5 Mt,Grade 80 Alloy Steel Endless Chain, And Chain Size 20 Mm Dia. X 4Meters Effective Length, 8Meters Circumferential Length S.W.L. - 12.5 Mt [ Warranty Period: 30 Months After The Date Of Delivery ] ]