Personal Information


Name: Nengjun Yu

Title: Chief Mining Engineer

Major: Coal Mining Engineering

Education background: Chongqing Vocational Institute of Engineering

Training background: China Mining University


Project Experience (part)


Di’Ao Group Mining Energy

06/2010 - 08/2017

1.Responsible for the overall management of the company's mining and mineral processing technology

2.Organized the design and construction of three pairs of capital construction mines, total design capacity for per pair of mines 1.35 million tons per year

3.Organized the design and construction of a new gas power station and the expansion of an old gas power station;

4.Participated in the exploration of five exploration rights in Chongqing, 3 exploration rights in Guizhou and 5 exploration rights in Yunnan. The amount of coal resources has been proved to be 800 million tons.

5.Responsible for the investigation of underground coal gasification technology.


Chongqing Tianfu Mining Company

10/2005 - 04/2010

1.Responsible for the overall management of the company’s technology for 6 years. During the time, the projects I was responsible for include as follows: two pairs of infrastructure mines with 0.9MTPA capacity, a pair of production mine with 1.2MTPA capacity, two pairs of production mine with 0.6MTPA capacity, a dense medium coal washing plant, a gangue power plant and a gas power station.

2.Organized the mining rights exploration, design and construction of two infrastructure mines. At present these mines are on production.

3.Participated in the technical transformation project of environmental protection desulfurization system of gangue power plant.

4.Organized the building of a 500KW X24 gas power station.

5.Participated in the renovation project of coal washing plant from 0.6MTPA to 0.75MTPA.

6.Participated in the deep resources exploration of two pairs mine of 600000 t / a to ensures the resource guarantee of mine level extension.


Songzao Datong coal mine

08/1982 - 10/2004

1.Responsible for the technical management of mining and construction in Datong No.2 Coal Mine for 3 years. The mining technology has been transformed from blast mining friction pillar to single pillar support.

2.Responsible for field technology management of gas control for 3 years. Investigated the basic parameters of mine gas storage.

3.Responsible for the technical management of ventilation and safety in Datong No.2 coal mine for 9 years.

4.Responsible for the technical management in Datong No.2 coal mine for 3 years.

5.Organized the revision of mine geological report and participated in the deep resource exploration project.

6.Responsible for the production, operation and management of the second coal mine for 4 years.

7.Responsible for the technical management of safety production in the Bureau of Mines for half a year. The projects I managed are as follows: a mine with 4.8 MTPA capacity, a thermal coal washing plant with 1.2 MTPA capacity, two gas power stations, one gangue power station and so on.