China manufacture double beam 400ton 300 ton 200 ton 100ton garage gantry crane. Gantry crane which is supported on the ground track by two legs of the bridge.In the structure by the door frame, cart operation mechanism, lifting trolley and electrical components.Some gantry cranes only have a leg on one side, the other side of the plant or trestle support in the operation, known as a semi-gantry crane.Gantry crane door frame part of the bridge (including the main beam and end beam), legs, beams and other parts of the lower beam.In order to expand the scope of crane operation, the main beam can extend beyond the supporting legs to one side or both sides to form cantilever.Also can use the lifting trolley with boom, through the boom pitch and rotation to expand the scope of crane operation.

Main feature:
1.Reasonable structure for less costing and maintenance. 
2.Favorable performance to improve your working capacity. 
3.Smooth starting and stopping to improve you security sense. 
4.Low noise, commodious cabin and good view can make you happiness operating and accurate operating. 
5.Credible electric parts to guarantee the crane safety in operating. 
Safety feature: 
1.Weight overload protection device
2.Lifting height limit device
3.Voltage lower protection function
4.Phase sequence protection function
5.Emergency stop function
Control method: 
1.Pendent line control
2.Remote control
3.Cabin control
4.Choose any two together
Painting: 
1.Process: Sandblast, Primer, finishing paint
2.Color: Yellow, Red, Blue etc. (according to your demand). 
3.Average thickness: Above 120 microns. (According to your demand).