Kefid Machinery is a leading and pioneering enterprise with the most advanced international level in R & D, manufacturing and selling of large-scale crushing & screening plants, industrial milling equipments and beneficiation plants. All of our equipment have got ISO international quality system certification, European Union CE certification and Russian GOST certification. KEFID is a…

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…