Ordinary undergraduate colleges and universities in China are all bureau-level units. Generally, a college is not up to standard. If it is level one, it is at the level. Note that only the secretary and president appointed by the central government are vice-ministerial, the executive vice-president and deputy secretary are official, and the other vice-presidents are vice-ministerial.
According to this calculation, the assistant to the president of Zhejiang University of Technology is a junior college or a junior college, but sometimes university administrators are also teaching editors, so they may also be associate professors.