Among them, the "large-diameter steel cylinder manufacturing method" has reached the international advanced level, and is an advanced construction method developed for the manufacture of large-diameter high-large steel cylinders. Currently, it is widely used in the Hong Kong-Zhuhai-Macao Bridge East-West artificial island retaining wall steel cylinder project. .
The “Shanghai Excellent Inventions Selection Competition†encourages various invention projects that are conducive to improving labor productivity, improving product quality, promoting energy conservation and emission reduction and benefit growth, and promoting economic development and social progress. A total of 1,493 entries were entered, 81 of which won gold medals.
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