... , Spain, Poland, Sudan, India, Thailand, and Malaysia, etc. 1. Light rail of GB11264-89 standard, YB222-63 standard Size: 6kg, 9kg, 12kg ... -89 standard, yb222-63 standard Length: 6-12m 2. Heavy rail of GB2585-2007 standard Size: 38kg, 43kg, 50kg Material: U71mn/50mn ... Standard: GB2585-2007 Length: 12.5m, 25m 3. Crane rail of YB/T5055-93 standard Size: QU70\QU80\QU100\QU120 Material ...