¥300,000 “life-extension pods” now ¥200 a day? Shared oxygen chambers take off in Jiangsu, Zhejiang and Shanghai; insiders say they’re more profitable than foot massages

30万“续命舱”降到200元一天？共享氧舱走红江浙沪，业内：比足疗还赚！

A public trend signal observed across 1 source.