这是我几天前得到的回复

Thank you for your enquiry about Activated Oxygen therapy options in the US. We sell and rent Energised Oxygen (also called Activated Oxygen / Active Air) devices to customers around the world. We are based in the UK, though have many customers in the US.
I am a conventionally trained medical doctor, now working with Activated Oxygen Therapy and other cutting edge health technologies to support individuals achieve optimum health and wellbeing.