Core Insights - The company Zhongtian Jingzhuang has announced its involvement in Shenzhen Yuanjian Zhichun Technology Co., focusing on the high bandwidth memory (HBM) chip sector [2] - The HBM2/2e products have completed final testing and are moving towards mass production and upgrades, while HBM3/3e is in the research and development phase [2] - The company will continue to monitor the operational development of its investee and will disclose any significant external investment progress or other matters that may have a major impact on the company in a timely manner [2]