There are many models of oxygen generators, some of which are equipped with atomization. For example, a model in Song Xin is equipped with atomization. There is a Kyle medical home care chain that sells them, not only in Xi 'an, but also in the surrounding area, that is, north of Tianhan Avenue in Hanzhong 100 meters. Baoji, Yan 'an, Weinan and Yanliang all have their own chain stores, which are very convenient after sale.