Smartee and Times Angel are both good.
Zhengya (Smartee) belongs to Zhengya Dental Technology (Shanghai) Co., Ltd. brand in the field of orthodontics, focusing on digital invisible orthodontic technology orthodontic appliances R & D and manufacturing, is committed to bringing orthodontic science and technology to the user. Ortho is headquartered in the core area of Zhangjiang Hi-Tech in Shanghai, and has established intelligent production bases in Jiaxing Science and Technology City and Ziyang in Sichuan Province, introducing 3D printing technology into the field of oral medical device production.
Time Angel is a service provider of oral invisible orthodontic technology, invisible aligners production and sales, since the company's inception in 2003, it has been committed to creating healthy and straight teeth for users through high-tech products.
In 2017, it reached a cooperation with the Training Bureau of the General Administration of Sport of China and became the product of oral preparation and protection for the athletes of the national team, and in the 18th Asian Games in 2018, Times Angels, as a member of the preparation and protection battalion of the Chinese Sports Delegation, traveled to Jakarta to carry out oral preparation and protection for Chinese athletes, and Times Angels Invisible Braces has become the preferred product of the athletes of the Chinese national team.
CHENGYA's Brand Characteristics
CHENGYA's invisible orthodontic treatment integrates digital image acquisition and processing technology, computer-aided design/manufacturing, 3D printing and other high-tech, and produces a series of transparent and freely removable orthodontic appliances customized for the user's teeth to achieve teeth straightening step by step and accurately.
In addition to straightening teeth, Ortho Invisible Orthodontic Technology can also improve facial issues. 2019, Ortho joined hands with Shen Gang's orthodontic team to develop Ortho Jaw Reconstruction Invisible Technology, which utilizes an innovative invisible orthodontic device combining transparent braces and anatomical mesh pads to realize jaw reconstruction. Compared to traditional orthodontic treatment, this is a non-surgical, non-invasive way to reduce or avoid tooth extraction.
Reference: Baidu Encyclopedia - Ortho