1. General survey of ventilation system in six mines of Tongling Company (380,000 yuan);
2. The patent ranking of enterprises in China is 20 10. Research on airflow control technology of Jin Hui 'an mining industry (196,000 yuan);
3. The air curtain of the third mining area of Jinchuan Company 1428,1kloc-0/50m ramp (184,300 yuan);
4. Research on development and application of ventilation simulation system in Zuoba Coal Mine (60,000 yuan);
5. Design and research of dust removal system in Xingluokeng Tungsten Concentrator (2.45 million yuan).