Coal gangue is a kind of solid waste discharged from coal mining and coal washing. It is a kind of black-gray rock with low carbon content and harder than coal, and it has low calorific value. Coal gangue can be used for building materials such as gangue cement, lightweight aggregate of concrete, firebrick, etc. to […]

 
	 
	 
	 
	 
	 
	 
	 
	 
	 
	 
	 
	 4# Production Workshop and Other 3 Places(Land No:GB00017),No. 19 Changfeng Road, Dingjiang Town, Lingchuan County
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