Empower enterprises with high-quality development through powerful measures to reduce costs and increase efficiency

The affiliated Sunjiacha Longhua Mining Company has built a 7-meter mining height and a 350-meter ultra-long working face

“Coal quality is the ‘lifeline’ of coal production enterprises

The average calorific value of coal blended by Sunjiacha Longhua Mining Company is 5064 kcal per kilogram

North M88 app Mining Company insists on urging its subsidiaries Sunjiacha Longhua Mining Company and Hanjiawan Coal Company to further promote the construction of NOSA safety, health and environmental system

North M88 app Mining Company strictly implements the centralized procurement principle of M88 app Coal Group

Combined with Hanjiawan Coal Company’s actual request for instructions on the new Hanjiawan intelligent project