Currently directly affiliated to 18 subsidiary, 1 holding high-tech listed company, 1 international engineering branch; There are 24 key laboratories of coal industry, 7 national quality supervision, inspection and testing centers, 6 industrial quality supervision, inspection and testing centers, 4 national engineering research centers such as the National Coal Mine Safety Technology Engineering Research Center, and the National Office of Safety Signs for Mining Products.
The subsidiaries are as follows: