Gantry cranes for engineering purposes is mainly used in highway construction, bridges, power factory and other factories for general handling and lifting material . trussed structure, light weight, small round pressure, reliable performance.

Mainly using steel to joint , and for the structure is divided generally into single girder goliath crane and double girder goliath gantry crane form, lifting mechanism is generally winch, according to their characteristics, lift and slow, low cost.
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