A design for a 1 million ton / year deep mining project in the Maluping section of the Guizhou Kaiya

Source: Changsha Design and Research Institute
Date:2012-04-17

This project involved a “roof bolt protection, sectioned empty field” method and new mining process, along with a trackless down-hole operation and automatic down-hole vertical transport and won a national gold prize in design in the year 2000.

 

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