... low, a large feed opening ,New wear-resistant material,high efficiency, particle size adjustable Counter-attack type Crusher ... structure, large crushing ratio (up to 40), low energy consumption, production capacity, particle size uniformity, and selectively ... broken, suitable for crushing hard rock; 2. low, a large feed opening for easy layout of ... 1500860×1520500130-250220273180×2720×2620 impact crusher