On November 21, Gelonghui reported that shenzhen jinjia group (002191.SZ) stated on the investor interaction platform that the company's composite copper foil project is currently in the stage of optimizing and perfecting product performance, and has not yet been officially sold externally. It is expected to have a small-scale sample sent out before the end of the year. Once the project achieves large-scale production, the cost and performance of the composite copper foil products will be stably calculated and manifested. In the future, shenzhen jinjia group will strive to reduce production costs and build comprehensive competitiveness through measures such as large-scale procurement of raw materials, improving production levels, optimizing equipment, and continuously enhancing yield.