Mainly go to government units and companies to do sales, generally claiming to be medical interns, otherwise it is difficult to enter. Give them a massage after going in and let them try. There are generally fixed patterns. What to do and how to say every day from Monday to Friday is planned in advance. A unit usually stays for a week. Generally, it will be better at the end of the year, because many units will issue massagers as welfare.
It's hard to do. You can try it if you want.