... www.inter-railway.com, mainly deal with heavy rail, light rail, crane rail of Chinese Standard and related accessories, in the ... : Product details:1.Crane Rail Specification: QU70, QU80, QU100, QU120Standard: GBGrade: U71MnLength: RequirementPlace of Origin: China (Mainland)Model Number: QU80Type ... passenger and freight transportation railway, you can choose Heavy Rail 38kg/m,43kg/m,50kg/mIf you use it ...