Group 1 - The Shark Shell brand ambassador Sun Yang won a gold medal in the 4x200m freestyle relay at the National Swimming Championships, showcasing his resilience and competitive spirit despite being the oldest active swimmer in China [2][5][7] - Sun Yang's performance included 1 gold and 1 bronze medal over six days of competition, demonstrating his ability to compete against younger athletes [2][5][7] - The collaboration between Shark Shell and Sun Yang is rooted in shared values of excellence and perseverance, which form the foundation of their partnership [4][9] Group 2 - Since its establishment in 2022, Shark Shell has focused on providing high-quality, cost-effective car film products, launching various series to enhance consumer experience [4][8] - Shark Shell has expanded its product lineup to include multiple categories, such as colored car films and window films, while also building a robust offline service network with nearly a thousand authorized stores [8][9] - The brand's visibility and reputation have grown significantly, supported by successful promotional activities like the "Sun Yang Challenge" at the Shanghai Auto Show, which engaged consumers directly with the product [8][9]