54B, Tailstoi Town 5238 MT,
La city, IA 522364
After UMP redeveloped the polyurethane compound for scrubber rollers, mine management reported, after a three-month trial, that the new rollers were “performing above expectation,” and thanked UMP for taking ownership of the problem and developing a long-term solution in a relatively short space of time.
ROLLERS press release, Dec 2010, paraphrased third-party feedback (mine management not individually named in source).