The Ice Fall at the opening ceremony of the Winter Olympics

    The icefall facility is about 60 meters high, contains more than 1,000 tons of steel and consists of more than 6,000 components. As the basic structural device, the later integrated system, lifting system including LED display and other systems, need to be installed on this device, so for steel structure components weld and installation error requirements are very harsh, requiring 100% perforation rate, error requirements control at 2mm, finally we control the error at 1.5mm, Completed in 37 days, the facility stunned tens of millions of viewers around the world at the opening ceremony.