How many rooms are there in the dormitory of He Hongqing Coal Mine?

According to Weifang online recruitment information, He Hongqing Coal Mine is located in Zasak Town, Yijinhuoluo Banner, Inner Mongolia, with a mine field area of 140 square kilometers, an address reserve of 3.2 billion tons, a mining capacity of 2150,000 tons, a construction scale of150,000 tons/year, an underground room temperature of 26 degrees, no watering, no tiling, good ventilation and no overtime.