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Sun Chenghai
The countdown to the opening of the 5th Expo was counted down 200 days, and the list of the second batch of exhibitors was announced
Exhibitors
Expo
National Health Commission
Sun Chenghai
04-18
![The countdown to the opening of the 5th Expo was counted down 200 days, and the list of the second batch of exhibitors was announced[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)