新芝生物：聘任虞凯雷先生为公司证券事务代表
Group 1 - The core point of the article is the appointment of Mr. Yu Kailai as the company's securities affairs representative [1] Group 2 - The announcement was made by New Zhi Biological on the evening of December 11 [1]
Group 1 - The core point of the article is the appointment of Mr. Yu Kailai as the company's securities affairs representative [1] Group 2 - The announcement was made by New Zhi Biological on the evening of December 11 [1]