Which travel agency in China is better to travel to the United States? usitrip can travel around the world. Who has been there?

A while ago, I traveled with USITRIP Sifang Travel Agency, and it felt good. This is an American land agency with low price but guaranteed quality. Online payment is also very convenient. I recommend you to consult. Recently, it seems that we are still engaged in preferential sales promotion activities to seize the opportunity. Travel agencies rarely take tourists to shopping malls, unless tourists specifically request it, but they only let tourists go shopping by themselves or directly report to shopping groups. Of course, they must visit the shopping center, but there will be no guide to follow.