Chamber of Commerce University is really good, but unfortunately its academic qualifications are not recognized by the Ministry of Education of China.
If you plan to develop in Thailand in the future, you can really consider these two places.
To tell the truth, instead of looking for an intermediary to help you, you might as well look for someone over there.
Basically, domestic intermediaries cheat money, which is expensive and irresponsible.
Login directly to the school you want to attend, official website, and ask responsible questions online to know the basic steps of studying abroad.
Http://www.utcc.ac.th/, This is the official website of Chamber of Commerce University. She is opening an application. You can go and have a look.