Project Service Provided to: Hunan Coal Industry Group Co.

Tongjiaowan Coal Mine Vertical Shaft Shaft Project

Adopt the latest domestic mechanized supporting operation for vertical well construction

The project ranks among the most advanced mining construction projects of its kind in China.

The Tongjiaowan coal mine vertical shaft project adopts the latest domestic technology and supporting operations, and set a new record of 113 meters per month of vertical shaft at that time in 2009, won the first "Sun Cup" project quality award in Hunan Province, and ranked among the advanced level of the same type of mining construction projects in the country. The Tongjiaowan coal mine vertical shaft project adopts the latest domestic technology to support the operation, and set a new record of 113 meters per month of vertical shaft at that time in 2009, and won the first "Sun Cup" project quality award in Hunan Province, ranking among the advanced level of similar mining construction projects in the country.