Gantry Crane for Project is ideal for outdoor applications where lifting facilities are provided without the cost of a building or any supporting steel work. They are also suited to indoor applications where existing building structures are not suitable to take overhead cranes, Hengyuan can be constructed with a cantilever to allow handling outside the rail centers. specification: 1.Lifting capacity up to 900on 2.Span is 20m to 100m 3.Lifting height up to 100m 4.Working class: ISOA5-A7/FEM2M-4M 5.crane traveling mechanisms are operated in the driver cabin or remote control Mechanical: 1.Double box beam with steel legs moving through the ground beam as crane travelling system 2.The camber of main beam will be designed as Span*1-1.4/1000. 3.Steel Material: Q235 or Q345 4.Shot-blasting Sa2.5 for main girder and supporting beam 5.Epoxy zinc rich high quality painting. 6.Electrification and outfitting 7.Brand: CHINT SIEMENS Schneider 8.Conductor power supply: Cable Reel or busbar. 9.Frequency conversion, double speed, single speed, and All hoist and crane movements are independent an d can be run simultaneously different design duo to meet crane applications 10.Whole layout provides good protection against special working environment. Such as gas workshop