(Summary description)　　A total investment of 450 billion yuan, an area of 700,000 square meters
　　is known as the "first of the seven wonders of the new world", with a total investment of 450 billion yuan, setting more than 40 international and domestic firsts. It is the world's largest seismic isolation building and has built the world's largest single concrete slab.

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• Time of issue:2020-07-28 18:05
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