... Ningjin town,Dezhou city.Shandong province.It is beautiful and fertile,and the transport is very convenient.Dezhou Yilun Conveyor Machinery ... waterproof , preventing static electricity,sideways,moving up and down,revolving resistance and falling of the rollers. The noise of the ... the customers.The products were widely used for mine,coal mine,harbour,steel plant,electric plant,feed-processing plant, ...