China Dolomite Double Roller Crusher for Quarr Site ...
4.Roller crusher is stable operation, easy maintenance, low cost, output size adjustable. 5. The rollers is wear-resisting chromium molybdenum copper alloy with long service. 6.The gap between the rollers is adjustable, so that the output size and capacity will be changed accordingly. 7.This crusher is equipped with motorless scraper.