There are thousands of equipment (or the cheapest) in it, and millions of them are expensive, some are given by the state and some by alumni. This major ranks second in China, ahead of Tsinghua, and Tianjin University ranks first. One third of NDT Association is an alumnus of Nanchang Hangkong University, which is awesome. But there is a disadvantage, that is, it is harmful to the body and has radiation.