There are many places in Shanghai now. For example, major hospitals will have medical hyperbaric oxygen chambers, which are mainly used for some patients to treat diseases. Apart from the hospital, I only know that Bao Hui International in Yangpu District has a civil oxygen warehouse. Used for health experience and anti-aging, O2 Ark hyperbaric oxygen chamber is made by Shanghai Vio Yimo Health Technology Co., Ltd. ... and it feels good once. You can try.