投资者提问：尊敬董秘： 伊之密与星源卓镁在AZ91D镁合金半固态注射成型工...

Core Viewpoint - The collaboration between Yizhiming and Xingyuan Zhuomei on the AZ91D magnesium alloy semi-solid injection molding process has shown promising mechanical performance, with samples sent to three leading companies for testing [1] Group 1: Company Collaboration - Yizhiming and Xingyuan Zhuomei have conducted joint research on the AZ91D magnesium alloy semi-solid injection molding process [1] - The UN650MG II equipment has been utilized to achieve excellent mechanical properties in the production process [1] Group 2: Sample Testing - Xingyuan Zhuomei has sent samples of humanoid robot hip joint shells based on this process to three leading companies, which are currently in the testing phase [1] - The inquiry raised questions about whether the samples used Yizhiming's proprietary SEMI series equipment or if key process parameters were provided by Yizhiming [1] Group 3: Customer Feedback - The company is expected to gather feedback from end customers regarding the precision, weight reduction, and fatigue strength of the semi-solid castings through this high-specification sample validation [1]