Preface：Ultra-fine milling machine when in use will be rusty phenomenon, which affects the life of the equipment. Therefore, we have to solve this problem in a timely manner. Let LiMing company professionals to briefly describe the causes and treatment of rust. Many customers in the use of ultra-fine grinding when very little attention to the…

In recent years, to speed up infrastructure construction in our country, the urbanization and the railway transportation has been developing rapidly, the increasing demand for high quality ballast, and natural river sand after years overexploitation has dried up, increasingly needed for the building construction quality ballast in short supply. High-quality ballast to it with the…