Where can I get medical oxygen?

Hospitals with better medical oxygen generally have rented oxygen cylinders. Generally, a bottle of oxygen costs only 30 to 40 yuan. However, if there is such a service, please go to a larger local hospital to ask. As for oxygen production, it is not easy to store and can only be used for 2 hours. Household medical oxygen You can consider portable solid oxygen, which is suitable for household safety, and the solid state is stable and will not explode.