红星发展：截至2025年12月16日，公司募投项目“重庆瑞得思达光电新材料项目”已经建设完成

Group 1 - The core viewpoint of the article is that Hongxing Development (600367) has completed the construction of its fundraising project "Chongqing Ruide Sida Optoelectronic Materials Project" and has submitted an application for trial production to government authorities, awaiting approval to officially enter the trial production phase [1] - The expected completion date for reaching full production capacity will be determined based on the trial production results, and the company is currently unable to provide an accurate timeline [1] - Permanent magnet ferrite is one of the main sales channels for strontium salt, holding a significant market share in the downstream application areas of strontium salt [1]