... -93 2.material:U71Mn 3.lenght:10m,12m QU70kg/m rails Japan & Korea Rail 37A, 50N, CR73Unit Weight37.2kg/m, ... , 39.761kg/m, 56.398kg/mStandardBS11:1985Material U71Mnlength8-12mIndia RailType of rails: CR80, CR100,Unit Weight: 63.69kg/m, 88.96kg/ ... .4. Shanghai Chunna Industrial Co., Ltd. holds the business philosophy of "Honesty-based, Benefit-sharing; Your Needs, Our Pursuit ". Welcome ...