China Sky Deluxe: Joint venture company HBM2e has begun mass production, HBM3/3e is currently in development and moving towards tape-out.

Zhongtian Premium stated on the interactive platform that Shenzhen Yujian Zhicun Technology Co., Ltd. is a company indirectly invested by the company, with a shareholding ratio of 6.71% in penetration calculation, not included in the scope of the company's consolidated financial statements. Yujian Zhicun focuses on the high bandwidth storage chip field. Currently, their HBM2e product has achieved mass production; HBM3/3e has completed HBM design and simulation, and is currently working on promoting mass production.