With the rapid increase of fuel prices in the last two years, there has recently been reconsideration of the application of crushing and conveying in open pit mines. This presentation examines their potential role in hard rock base metal and gold mines.

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…