Kunshan Signum Machinery Technology Co.,Ltd www.rail-fastening.com email:admin@rail-fastening.com Light Rail:8kg 18kg 24kg as per YB222-63 9kg,12kg,15kg,22kg,30kg as per GB/T11264-89 Heavy Rail:38kg 43kg,50kg,60kg as per GB2585-2007 Crane Rail:QU70,QU80,QU100,QU120 as per YB/T5055-1993