ST中珠(600568.SH)：聘任张榆松为公司第十届董事会秘书

Group 1 - The core point of the article is the appointment of Zhang Yusong as the secretary of the 10th board of directors of ST Zhongzhu, effective from the date of the board's approval until the end of the 10th board's term [1] - The appointment was made following the relevant regulations including the Company Law and the Shanghai Stock Exchange Listing Rules [1] - Chairman Chen Xu will no longer act as the secretary of the board following this appointment [1]