Shigetai Coal Preparation Plant is subordinate to Shenhua Shendong Coal Group washing center, which is located in Shigetai village, Daliuta Town, Shenmu City, Shaanxi Province. It was founded in May 2005, and designed to process 12 million tons of raw coal annually, including 10 million tons of mine system and 2 million tons of foreign coal system. The washing process is as follows: 13-200mm for heavy medium shallow tank separation, 1.5-13mm for heavy medium separation, 0.5-1.5mm for spiral separation, and - 0.5mm is treated by the combination of pressure filter and plate frame filter.