In May 2015, the renovation project of the raw coal system at the Huludang Coal Mine in Shanxi Province was successfully completed. The project uses the XDT type mechanical moving screen jigger and electrical control device produced by Shenyang Kedi Tongda Engineering Technology Co., Ltd., which can process 150 tons of lump coal per hour. The electrical control device adopts programmable controller and industrial touch screen technology, and the system operates stably and reliably.