Invisible orthodontics only orthodontics promises lifetime warranty. This service is only available in Zhengya, but other brands can't. Orthodontics, founded in 2004, is a well-known national brand in the invisible orthodontics industry. Since 16, we have been focusing on the development and manufacture of digital orthodontic technology and invisible appliances. In order to better serve orthodontic users, Orthodontics has introduced 3D printing technology into the field of oral medical equipment production, and successfully realized the large-scale production of personalized customized invisible appliances, which can customize orthodontic plans for orthodontists and improve the efficiency of orthodontics.