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:49E1, 49E2, 50E1, 50E2, 50E4, 50E5, 50E6, 54E21, 54E2, 54E3, 55E1, 60E1Unit Weight: 49.39kg/m, 49.1 kg/m, 50.37kg/m, 49.97kg/m ...