A good brand and marketing advantage: The company now has developed the mine Jurassic coal seam produced with a low ash, high heat and other significant advantages.

 
  • 良好的品牌和市场优势:公司目前拥有的矿井所开发的侏罗系煤层出产的煤炭具有低灰、高发热量等显著优点。
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