Performance introduction of a 2.5m telescope mount

In recent years, Nanjing Institute of Astronomical Optics and Technology (NIAOT) has made several telescopes for observatories all around the world. In 2011 NIAOT just finished the development of a 2.5m optical/infrared telescope mount. First part of this paper is to introduce the mount structure and their adjustment work. Second part is to give an introduction of the mount performance test methods and test results finished on NIAOT workshop.