Product Introduction:Our are professional in industrial steel rail,Website:http://www.inter-railway.com, mainly deal with heavy rail, light rail, crane rail of Chinese Standard and related accessories, in the following Material and specifications: Heavy Rail Specification: 25U, 29U, 36UUnit Weight: 24.95kg/m, 29kg/m, 35.87kg/mLength:8m, 9m, 10m, 12mMaterial: 20Mnk/Q235Standard:GB4697-1991Q/YYG006 ...