What identity?

"President Xia, Vice President Xu!"
Zheng Yongxing smiled and hurried over to greet him.
"President Xia, are you feeling better?"
Zheng Yongxing asked with a smile.
"Thanks to Mr.Carter, I am feeling much better now."
Xia Ruian smiled, and then asked curiously: "Hey, why didn't Mr.Carter come?"
"Hehe, maybe he wasn't invited."
Zheng Yongxing replied with a smile.
"It shouldn't be like this!"
Xia Ruian looked puzzled, "With Mr.Carter's current status and position,...