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(KGS/M):15kg,22kg,30kg,37A, 50N, CR73, CR100Unit Weight: 15.2kg/m, 22.3kg/m, 30.1kg/m, 37.2kg/m,50.4 kg/m, 73.3 kg/m, 100.2 kg ...