Now the production line equipment of pulverized coal grinding machine with annual output of 300,000 tons in Pingdingshan, Henan Province is being delivered. The production line is composed of ball mill, high efficiency separator, pulse dust collector, fan power and conveying equipment. The whole production line adopts frequency control motor, high yield and high efficiency, high sorting efficiency; negative pressure circulation system, fully enclosed design, environmental protection and no dust; intelligent control system, more convenient control. Henan Kolev has been committed to the research and development and production of drying, sand making and grinding equipment for many years, and its products involve many industries such as mining, building materials, chemical industry and coal. In recent years, there has been a major breakthrough in the field of industrial solid waste treatment.