Ordinary instruments can't replace acupuncture. Some magnetic therapy instruments can achieve the effect of acupuncture, but the intensity of the instruments is relatively high. Generally speaking, a magnetic field of 18000 gauss can achieve the effect of acupuncture. I know that Fu Kangxiang can do it in the market, but I don't know anything else.

The second question, the joining of the health center depends on what city and location you are in. It is suggested to open a health center for the elderly.