LHTG 32T Double girder bridge crane 1.certificate:CE,ISO,OHSAS 2.Span:7. ... 3.Height:6m-30m 4.1 year warranty LHTG 32T Double girder bridge crane1.It is stable in structure,large in loading ... life.2.LH-type Hoist Double Girder Bridge Crane is in a simple structure among the bridge cranes , with a light weight, easy ...