山东乐陵： 聚力发展体育产业

Group 1 - The core viewpoint of the article highlights the development of the sports industry in Leiling City, Shandong Province, focusing on technological innovation and standard research to enhance competitiveness and influence in both domestic and international markets [3] - The sports equipment industry cluster in Leiling has achieved significant scale and efficiency, providing equipment support and professional service guarantees for major domestic and international events [3] - The article mentions the production activities at Taishan Sports Industry Group Co., Ltd., where workers are assembling sports bicycles, showcasing the practical application of the industry's growth [3]