OREANDA-NEWS. May 21, 2014. In the National Coal Youth May 4th Movement ceremony, Duan Hongfei, the vice technology captain of the first fully-mechanized mining team in Tashan Coal Mine Company, won the second National Coal Youth May 4th Movement Medal.

After graduation from China University of Mining and Technology Ph.D. in 2013, Duan Hongfei became Tashan Coal Mine Company’s worker who had a doctoral degree. Since in Tashan Coal Mine Company, he always works underground production line, has presided over the mining and caving process, the research of Permo-Carboniferous coal mine pressure behavior law, the roof high pumping test hydraulic fracturing roof technology and the optimized studies on ahead support in the mining face and other research work.