Dandong Tongda Science & Technology Co., Ltd. presented a TD-3500 X-ray powder diffractometer to the Analysis and Testing Research Center of Kunming University of Science and Technology, which further enhanced the influence of the X-ray diffraction analysis and testing technology level of the school.

The X-ray powder diffractometer donated by the school was independently developed and produced by Tongda Technology, representing the development capability and technical level of X-ray analysis instruments in China. The equipment has the characteristics of easy to learn, easy to operate, high accuracy and high cost performance, which will play an important role in improving the school students' skill level and scientific research ability.

Caring for students is not only the responsibility of the government, but also the responsibility of every caring person and every caring entrepreneur. Tongda will continue to make modest contributions to public welfare undertakings in the future, and also hopes that more caring people will do their part for education and society, make a contribution, and assume a social responsibility.