1. Externally adjustable, reversible and replaceable feed tube allows for quick, easy adjustment. 2. Inspection doors are located on the top lid for easy access to the impact chamber.

a full range of cost effective, heavy duty, fit for purpose, vertical shaft impact (VSI) crushers. Vertical shaft impact (VSI) crushers are ideal to use as third and fourth stage crushers in quarrying, mining, recycling, infrastructure and construction applications. 

http://www.minevik-machinery.com/Products/mobile-crusher/mobile-vsi-crushing-plants.html
We're constantly innovating new ways to make our crushers more productive, more efficient, safer and easier to use and maintain.are designed to crush a wide range of rocks and minerals using rock-on-rock or rock-on-steel crushing principles.