LH5T double girder crane 1.CE,ISO9001,ISO14001,OHSAS18001 2. ... Height:6m-30m 4.Stable in structure. LH5T double girder crane1.We have gained CE,ISO9001,ISO14001,OHSAS18001 certificates ... .2. You can hook up to the main beam between the two, it is a substantial increase ... and high-performance work from the car and double girder crane design and high-speed operation 4.Light weight, ...