Steel cast nodes and bearings are widely used in stadiums, exhibition centers, airports, railway stations and super high-rise buildings at home and abroad: Main Stadium (Bird's Nest) of 2008 Olympic Games, Capital airport, Shanghai World Expo Axis, Nanjing Olympic Sports Center, Guangzhou Opera House, Harbin Exhibition Center, Zhengzhou Exhibition Center, Hangzhou International Exhibition Center, Nanjing railway station and Singapore Boon Lay MRT Subway Station, Tanzania National Stadium, Shenzhen Universiade main stadium, Shenyang Art Center, Kuwait University and other projects.