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the coal mining process

Our leading products have crushing equipment, sand making equipment, mobile crusher;The products includes five series: crusher, sand making machine, powder grinding mill, mineral processing equipment and building materials equipment.
Mining processsixty million years agothe area where bni now mines coal was a vast swampplants diedfell into the water and decayed slowlyeons laterthe climate changed and rivers deposited material over the decaying vegetationthe weight of the overlying material pressed the .If you want to learn about our products , please call or write mail consultation.

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