Product Description Stationary Rockbreaker System YZH Stationary rockbreaker system is a stationary unit, a machine designed to manipulate large rocks, including reducing large rocks into smaller rocks.They are typically used in the mining, quarrying, aggregate, cement, metallurgical and foundry industries to remove oversize rocks that are too large or too hard to be reduced in size by a crusher or grizzly. Stationary Rockbreaker System are a safer way to manage blockages and to clear build ups in the crusher cavity. By adding a rockbreaker boom system in your primary crushing station, you can safely and significantly cut downtime of your plant, performance-Proven Rockbreaker Boom Systems from Jinan YZH Machinery Equipment Company (China) are specifically designed to keep your plant running at maximum productivity with maximum cost-efficiency.