Quality and efficiency are the keys to enhancing competitiveness.

Mining with integrity means leaving a positive legacy for generations to come.

The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.

释义：吃一点亏并没有什么大碍，退让三分也无妨。春天刚看到杨柳变绿，秋天又看到菊花变黄，生活就是这样不断变化的。