Jun 30 2015 Recent years have seen 26 US coal companies go into bankruptcy chiefly in Kentucky and West Virginia including once major producers such as James River Coal and Patriot Coal Corporation In line with decreasing production US coal mining jobs dropped by 9400 in 2013 representing more than 10 per cent of total coal employment from 89800Read More
Great energy conservation, wide adjustment range, low noise and little dust
1.5 times or even 2 times larger crushing cavity than that of other crushers, large feeding mouth
With features of reliable structure, high working efficiency and easy adjustment
VSI sand maker, also called VSI crusher, is the major machine for sand making plant.
Ball mill is the key machine to grind the crushed materials. Ball mill machine is widely used to process cement, silicate product, building material, refractory material, fertilizer, ceramics and glass, etc.
On the basis of domestic mills, fote raymond mill is produced. The raymond roller mill enjoys the features of high working efficiency, low energy consumption, small floor space and small cost.