1.Light Rail Specification: 12kg/m,15kg/m, 18kg/m, 22kg/m, 24kg/m, 30kg/m Unit Weight: 12.2kg/m, 15.2kg/m, 18.06kg/m, 22.3kg/m, 24.46kg/m, 30.1kg/m Length: 6-12m Material: Q235, 50Q, 55Q Standard: YB222-63, GB11264-89 2. GB Heavy Rail Specification: 38kg/m, 43kg/m, 50kg/m Unit Weight: 38.733kg/m, 44.653kg/m, 51.514kg/m Length: 12.5m Material: 50Mn, U71Mn Standard: GB2585-81 3. Crane Rail Specification: QU70, QU80, QU100, QU120 Unit Weight: 52.80kg/m, 63.69kg/m, 88.96kg/m, 118.8 kg/m Length: 12m Material: U71Mn Standard: GB3426-82