Recently, Qinghai customers ordered the ultra-fine grinding mechanism for completion and officially deliveried. We have communicated with each other online for a period of time. According to the production needs of customers in Qinghai, our technicians provided reasonable solutions. Our technicians introduced the working principle and production and processing process of our ultra-fine grinding powder to the customers in detail, which won their recognition. Henan Kolev has the spirit of innovation to keep pace with the times. In the deep cultivation and fine work, Kolev manufacturing Raymond mill, vertical grinding machine, ultra-fine grinding machine, ball mill and other equipment have withstood the market and test, but also won the favor and support of customers at home and abroad. It has become a professional grinding equipment for the construction and development of industrial solid waste, metallurgy, building materials, non-metallic ore, pulverized coal, petroleum coke, thermal power plant, cement plant and many other industries.