There are good and bad everywhere! Luoyang health care machine is a kind of health care equipment, which has nothing to do with food and medicine. What matters is the national test report. Now experience stores try it themselves. Buy it if it's good, and don't buy it if it's bad. A few years ago, there were many liars. Now generally dare not cheat. All registered under real names. Look at the business license, tax registration and test report of the industrial and commercial bureau first, and hope to adopt it.