The type of runway rail recommended is QU100. The data in ()is used when the crane is used outdoors, Ordering information:1,The type of runway rail recommended is QU100.2,The data in ()is used when the crane is used outdoors,and the crane total weight and max.wheel load willincreade by about 5%.3,The following values can be chosen for H.according to actual needs:. 0,50mm,100mm,150mm,200mm,250mm. ...