Group 1 - The core viewpoint of the article is that Open Source Securities has given a "Buy" rating to Youji Co., Ltd. (920943.SH) based on its recent achievements and market potential [1] - Youji Co., Ltd. has successfully completed its first targeted convertible bond issuance on the Beijing Stock Exchange, which will increase its high-performance casting capacity [1] - The mechanical industry is expected to grow, driven by the automotive and electrical machinery sectors in the first three quarters of 2025 [1]