This bridge building machine is going to change the world!

A video shot in China shows a massive bridge girder erector completing a segment of rail bridge by placing a beam between support pillars.  This machine weight 580 Tons, 91.8 meter long, 7.4 meter in width, and 9 meter in height. She is able to lift 900 tons stuff. Made made by the Beijing Wowjoint Machinery Company: http://www.wowjoint.com/

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