The invisible orthodontics of Zhengya oral cavity has always been very famous in the industry. Zhengya adopts fully transparent invisible orthotics and imported medical-grade materials from Europe and America. At present, there are two kinds, one is PEDG and the other is TPU, which are completely nontoxic and harmless. The orthodontic process is seamless, convenient and beautiful. Combined with CAD/CAM and orthodontic technology customization, the tooth movement is finely controlled, and the orthodontic treatment is effectively completed. Have their own research team, excellent orthodontic technology, it is worth recommending.