HI CHROMIUM GRINDING MEDIA AND SHELL LINERS. AIA Engineering, a certified ISO 9001 company, specializes in the design, development, manufacture, installation and servicing of high chromium wear, corrosion and abrasion resistant castings used in the cement, mining and thermal power generation industries.
Grinding media. Grinding balls are only one type of grinding media. Grinding media are the means used to crush or grind material (cement, mineral, ) in a mill. Grinding media sorting is performed when the ball load wears out. New grinding balls are then added or full reload is carried out to keep optimum filling degree.