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Launching crane It's a kind of crane specialized in bridge construction; the main frame composes of hoisting mechanism, transverse mechanism, lengthways travelling mechanism and principal steel supporting structure. Beam launching and bridge installing can be operated in various complicated and difficult geographies by our professional Launching Equipments. It is a kind of bridge construction equipment with advanced, efficient, high cost performances, and could be developed farther ahead as well. Its extensively used for erecting bridge while cross-the-sea, cross-the-river, cross-the-valley and city viaduct. At the same, it can be applied to tunnel connecting project for traversing tunnel ahead at upland.