多氟多：圆柱电池可也应用于新能源汽车、电动二轮车和三轮车、家用储能系统及便携式储能等领域

Group 1 - The core viewpoint of the article is that Duofuduo (002407.SZ) is expanding the application of its cylindrical batteries into various sectors, including new energy vehicles, electric two-wheelers, three-wheelers, home energy storage systems, and portable energy storage [1] - The company anticipates that with product technology upgrades and process improvements, it will gradually expand into more application areas in the future [1]