Core Viewpoint - The Beijing Stock Exchange and China Securities Index Co., Ltd. announced a regular adjustment of the sample stocks and reserve list for the Bei Zheng 50 Index (899050), effective June 16, 2025 [1] Group 1: Sample Stocks - The Bei Zheng 50 Index (899050) includes a total of 50 sample stocks, with notable companies such as: - Nuo Si Lan De (430047) - Hua Ling Co., Ltd. (430139) - Su Zhou Axle Co., Ltd. (430418) - Feng Guang Precision (430510) - An Da Technology (830809) [2] - Additional companies in the index include: - Sen Xuan Pharmaceutical (830946) - Chuang Yuan Xin Ke (831961) - Ao Di Wei (832491) - Na Ke Nuo Er (832522) - De Yuan Pharmaceutical (832735) [2][3] Group 2: Reserve List - The reserve list for the Bei Zheng 50 Index (899050) includes: - Jia Xian Co., Ltd. (920489) - Lei Shen Technology (872190) - Hui Feng Diamond (839725) - Lian Di Information (839790) - Yun Li Wu Li (872374) [3]