22 years of design, 23 products listed at the beginning of the year. The rotating part uses a whipped brush and a hair-grafting brush head with a higher cleaning frequency. The main selling point is to add a U-shaped cup brush to clean the most dirty cup. Some materials of the cup brush have been tested for multiple rounds. In the end, the silicone material was chosen between the cleaning effect and the service life. Listed sales are quite high, 23 years won the Golden Point Design Award.