The cost of first-tier cities is 2. About 50-30 thousand. A city like Nanning in Guangxi should be around 20,000. If there is a discount, it should be 1. 50,000-20,000 is fine. The technology of this operation is very mature, and there is no need to make a special trip to first-tier cities. Just ask a better local doctor. It is important to see the doctor himself for consultation and communication and ask about the effect. The second is that it is best to meet the customers who have had surgery in person, so as to be sure.