1. According to the query of JD.COM, Royalstar's circulating fan uses 9 bionic blades with European wings, and the air outlet is even and stable, while the wind power of Malata's circulating fan is relatively uneven, so Royalstar is good.
2. Royalstar's circulating fan adopts natural wind sense design, which makes the wind feel more comfortable and gentle, and is not afraid of catching a cold. The wind of Malata is relatively strong, followed by comfort, so Rongshida is good.