Listening to a friend's introduction, Kaiya oxygen generator is the first portable oxygen generator in Guoneng. It is very small, so I don't know how it works. Where can I sell it?

kaiya oxygen generator is produced in Foshan, Guangzhou, and the oxygen concentration of 3L oxygen generator is above 9%-93%, and the noise is less than or equal to 45 decibels. Its service life is 15,-2, hours, and it works continuously for 15 hours. Chengdu has his exclusive store address at No.1, No.37 Shunjiang Road, Jinjiang District, Chengdu.