Innovation in mining technology is essential to meet the world's energy demands.
"Der Mensch ist der Hirt des Seins."
刻苦读书,即使功名未就,但使人品高雅,气度不凡;道德高尚,但不希图报答,时时恬然自安,饱食酣眠。
Coal companies must fulfill their social responsibilities while pursuing economic benefits.